20181641616

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{15661}}^1$

素因数の和:15854

約数の個数: 160

約数和(自身を含む): 61369980800

約数和(自身を除く): 41188339184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 157, 171, 216, 228, 304, 314, 342, 432, 456, 471, 513, 628, 684, 912, 942, 1026, 1256, 1368, 1413, 1884, 2052, 2512, 2736, 2826, 2983, 3768, 4104, 4239, 5652, 5966, 7536, 8208, 8478, 8949, 11304, 11932, 15661, 16956, 17898, 22608, 23864, 26847, 31322, 33912, 35796, 46983, 47728, 53694, 62644, 67824, 71592, 80541, 93966, 107388, 125288, 140949, 143184, 161082, 187932, 214776, 250576, 281898, 297559, 322164, 375864, 422847, 429552, 563796, 595118, 644328, 751728, 845694, 892677, 1127592, 1190236, 1288656, 1691388, 1785354, 2255184, 2380472, 2458777, 2678031, 3382776, 3570708, 4760944, 4917554, 5356062, 6765552, 7141416, 7376331, 8034093, 9835108, 10712124, 14282832, 14752662, 16068186, 19670216, 21424248, 22128993, 29505324, 32136372, 39340432, 42848496, 44257986, 46716763, 59010648, 64272744, 66386979, 88515972, 93433526, 118021296, 128545488, 132773958, 140150289, 177031944, 186867052, 265547916, 280300578, 354063888, 373734104, 420450867, 531095832, 560601156, 747468208, 840901734, 1062191664, 1121202312, 1261352601, 1681803468, 2242404624, 2522705202, 3363606936, 5045410404, 6727213872, 10090820808, 20181641616]

約数ペア:

[(1, 20181641616), (2, 10090820808), (3, 6727213872), (4, 5045410404), (6, 3363606936), (8, 2522705202), (9, 2242404624), (12, 1681803468), (16, 1261352601), (18, 1121202312), (19, 1062191664), (24, 840901734), (27, 747468208), (36, 560601156), (38, 531095832), (48, 420450867), (54, 373734104), (57, 354063888), (72, 280300578), (76, 265547916), (108, 186867052), (114, 177031944), (144, 140150289), (152, 132773958), (157, 128545488), (171, 118021296), (216, 93433526), (228, 88515972), (304, 66386979), (314, 64272744), (342, 59010648), (432, 46716763), (456, 44257986), (471, 42848496), (513, 39340432), (628, 32136372), (684, 29505324), (912, 22128993), (942, 21424248), (1026, 19670216), (1256, 16068186), (1368, 14752662), (1413, 14282832), (1884, 10712124), (2052, 9835108), (2512, 8034093), (2736, 7376331), (2826, 7141416), (2983, 6765552), (3768, 5356062), (4104, 4917554), (4239, 4760944), (5652, 3570708), (5966, 3382776), (7536, 2678031), (8208, 2458777), (8478, 2380472), (8949, 2255184), (11304, 1785354), (11932, 1691388), (15661, 1288656), (16956, 1190236), (17898, 1127592), (22608, 892677), (23864, 845694), (26847, 751728), (31322, 644328), (33912, 595118), (35796, 563796), (46983, 429552), (47728, 422847), (53694, 375864), (62644, 322164), (67824, 297559), (71592, 281898), (80541, 250576), (93966, 214776), (107388, 187932), (125288, 161082), (140949, 143184)]