18967680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 68023800

約数和(自身を除く): 49056120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 89, 90, 96, 111, 120, 128, 144, 148, 160, 178, 180, 185, 192, 222, 240, 267, 288, 296, 320, 333, 356, 360, 370, 384, 444, 445, 480, 534, 555, 576, 592, 640, 666, 712, 720, 740, 801, 888, 890, 960, 1068, 1110, 1152, 1184, 1332, 1335, 1424, 1440, 1480, 1602, 1665, 1776, 1780, 1920, 2136, 2220, 2368, 2664, 2670, 2848, 2880, 2960, 3204, 3293, 3330, 3552, 3560, 4005, 4272, 4440, 4736, 5328, 5340, 5696, 5760, 5920, 6408, 6586, 6660, 7104, 7120, 8010, 8544, 8880, 9879, 10656, 10680, 11392, 11840, 12816, 13172, 13320, 14208, 14240, 16020, 16465, 17088, 17760, 19758, 21312, 21360, 23680, 25632, 26344, 26640, 28480, 29637, 32040, 32930, 34176, 35520, 39516, 42624, 42720, 49395, 51264, 52688, 53280, 56960, 59274, 64080, 65860, 71040, 79032, 85440, 98790, 102528, 105376, 106560, 118548, 128160, 131720, 148185, 158064, 170880, 197580, 210752, 213120, 237096, 256320, 263440, 296370, 316128, 395160, 421504, 474192, 512640, 526880, 592740, 632256, 790320, 948384, 1053760, 1185480, 1264512, 1580640, 1896768, 2107520, 2370960, 3161280, 3793536, 4741920, 6322560, 9483840, 18967680]

約数ペア:

[(1, 18967680), (2, 9483840), (3, 6322560), (4, 4741920), (5, 3793536), (6, 3161280), (8, 2370960), (9, 2107520), (10, 1896768), (12, 1580640), (15, 1264512), (16, 1185480), (18, 1053760), (20, 948384), (24, 790320), (30, 632256), (32, 592740), (36, 526880), (37, 512640), (40, 474192), (45, 421504), (48, 395160), (60, 316128), (64, 296370), (72, 263440), (74, 256320), (80, 237096), (89, 213120), (90, 210752), (96, 197580), (111, 170880), (120, 158064), (128, 148185), (144, 131720), (148, 128160), (160, 118548), (178, 106560), (180, 105376), (185, 102528), (192, 98790), (222, 85440), (240, 79032), (267, 71040), (288, 65860), (296, 64080), (320, 59274), (333, 56960), (356, 53280), (360, 52688), (370, 51264), (384, 49395), (444, 42720), (445, 42624), (480, 39516), (534, 35520), (555, 34176), (576, 32930), (592, 32040), (640, 29637), (666, 28480), (712, 26640), (720, 26344), (740, 25632), (801, 23680), (888, 21360), (890, 21312), (960, 19758), (1068, 17760), (1110, 17088), (1152, 16465), (1184, 16020), (1332, 14240), (1335, 14208), (1424, 13320), (1440, 13172), (1480, 12816), (1602, 11840), (1665, 11392), (1776, 10680), (1780, 10656), (1920, 9879), (2136, 8880), (2220, 8544), (2368, 8010), (2664, 7120), (2670, 7104), (2848, 6660), (2880, 6586), (2960, 6408), (3204, 5920), (3293, 5760), (3330, 5696), (3552, 5340), (3560, 5328), (4005, 4736), (4272, 4440)]