1918921824

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 216

約数和(自身を含む): 5826195648

約数和(自身を除く): 3907273824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 72, 74, 93, 96, 111, 124, 144, 148, 157, 186, 222, 248, 279, 288, 296, 314, 333, 372, 444, 471, 496, 558, 592, 628, 666, 744, 888, 942, 992, 1116, 1147, 1184, 1256, 1332, 1369, 1413, 1488, 1776, 1884, 2232, 2294, 2512, 2664, 2738, 2826, 2976, 3441, 3552, 3768, 4107, 4464, 4588, 4867, 5024, 5328, 5476, 5652, 5809, 6882, 7536, 8214, 8928, 9176, 9734, 10323, 10656, 10952, 11304, 11618, 12321, 13764, 14601, 15072, 16428, 17427, 18352, 19468, 20646, 21904, 22608, 23236, 24642, 27528, 29202, 32856, 34854, 36704, 38936, 41292, 42439, 43803, 43808, 45216, 46472, 49284, 52281, 55056, 58404, 65712, 69708, 77872, 82584, 84878, 87606, 92944, 98568, 104562, 110112, 116808, 127317, 131424, 139416, 155744, 165168, 169756, 175212, 180079, 185888, 197136, 209124, 214933, 233616, 254634, 278832, 330336, 339512, 350424, 360158, 381951, 394272, 418248, 429866, 467232, 509268, 540237, 557664, 644799, 679024, 700848, 720316, 763902, 836496, 859732, 1018536, 1080474, 1289598, 1358048, 1401696, 1440632, 1527804, 1620711, 1672992, 1719464, 1934397, 2037072, 2160948, 2579196, 2881264, 3055608, 3241422, 3438928, 3868794, 4074144, 4321896, 5158392, 5762528, 6111216, 6482844, 6662923, 6877856, 7737588, 8643792, 10316784, 12222432, 12965688, 13325846, 15475176, 17287584, 19988769, 20633568, 25931376, 26651692, 30950352, 39977538, 51862752, 53303384, 59966307, 61900704, 79955076, 106606768, 119932614, 159910152, 213213536, 239865228, 319820304, 479730456, 639640608, 959460912, 1918921824]

約数ペア:

[(1, 1918921824), (2, 959460912), (3, 639640608), (4, 479730456), (6, 319820304), (8, 239865228), (9, 213213536), (12, 159910152), (16, 119932614), (18, 106606768), (24, 79955076), (31, 61900704), (32, 59966307), (36, 53303384), (37, 51862752), (48, 39977538), (62, 30950352), (72, 26651692), (74, 25931376), (93, 20633568), (96, 19988769), (111, 17287584), (124, 15475176), (144, 13325846), (148, 12965688), (157, 12222432), (186, 10316784), (222, 8643792), (248, 7737588), (279, 6877856), (288, 6662923), (296, 6482844), (314, 6111216), (333, 5762528), (372, 5158392), (444, 4321896), (471, 4074144), (496, 3868794), (558, 3438928), (592, 3241422), (628, 3055608), (666, 2881264), (744, 2579196), (888, 2160948), (942, 2037072), (992, 1934397), (1116, 1719464), (1147, 1672992), (1184, 1620711), (1256, 1527804), (1332, 1440632), (1369, 1401696), (1413, 1358048), (1488, 1289598), (1776, 1080474), (1884, 1018536), (2232, 859732), (2294, 836496), (2512, 763902), (2664, 720316), (2738, 700848), (2826, 679024), (2976, 644799), (3441, 557664), (3552, 540237), (3768, 509268), (4107, 467232), (4464, 429866), (4588, 418248), (4867, 394272), (5024, 381951), (5328, 360158), (5476, 350424), (5652, 339512), (5809, 330336), (6882, 278832), (7536, 254634), (8214, 233616), (8928, 214933), (9176, 209124), (9734, 197136), (10323, 185888), (10656, 180079), (10952, 175212), (11304, 169756), (11618, 165168), (12321, 155744), (13764, 139416), (14601, 131424), (15072, 127317), (16428, 116808), (17427, 110112), (18352, 104562), (19468, 98568), (20646, 92944), (21904, 87606), (22608, 84878), (23236, 82584), (24642, 77872), (27528, 69708), (29202, 65712), (32856, 58404), (34854, 55056), (36704, 52281), (38936, 49284), (41292, 46472), (42439, 45216), (43803, 43808)]