19879360

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 112

約数和(自身を含む): 51425856

約数和(自身を除く): 31546496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 73, 74, 80, 92, 115, 146, 148, 160, 184, 185, 230, 292, 296, 320, 365, 368, 370, 460, 584, 592, 730, 736, 740, 851, 920, 1168, 1184, 1460, 1472, 1480, 1679, 1702, 1840, 2336, 2368, 2701, 2920, 2960, 3358, 3404, 3680, 4255, 4672, 5402, 5840, 5920, 6716, 6808, 7360, 8395, 8510, 10804, 11680, 11840, 13432, 13505, 13616, 16790, 17020, 21608, 23360, 26864, 27010, 27232, 33580, 34040, 43216, 53728, 54020, 54464, 62123, 67160, 68080, 86432, 107456, 108040, 124246, 134320, 136160, 172864, 216080, 248492, 268640, 272320, 310615, 432160, 496984, 537280, 621230, 864320, 993968, 1242460, 1987936, 2484920, 3975872, 4969840, 9939680, 19879360]

約数ペア:

[(1, 19879360), (2, 9939680), (4, 4969840), (5, 3975872), (8, 2484920), (10, 1987936), (16, 1242460), (20, 993968), (23, 864320), (32, 621230), (37, 537280), (40, 496984), (46, 432160), (64, 310615), (73, 272320), (74, 268640), (80, 248492), (92, 216080), (115, 172864), (146, 136160), (148, 134320), (160, 124246), (184, 108040), (185, 107456), (230, 86432), (292, 68080), (296, 67160), (320, 62123), (365, 54464), (368, 54020), (370, 53728), (460, 43216), (584, 34040), (592, 33580), (730, 27232), (736, 27010), (740, 26864), (851, 23360), (920, 21608), (1168, 17020), (1184, 16790), (1460, 13616), (1472, 13505), (1480, 13432), (1679, 11840), (1702, 11680), (1840, 10804), (2336, 8510), (2368, 8395), (2701, 7360), (2920, 6808), (2960, 6716), (3358, 5920), (3404, 5840), (3680, 5402), (4255, 4672)]