19119520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 52956288

約数和(自身を除く): 33836768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 80, 86, 112, 140, 160, 172, 215, 224, 280, 301, 344, 397, 430, 560, 602, 688, 794, 860, 1120, 1204, 1376, 1505, 1588, 1720, 1985, 2408, 2779, 3010, 3176, 3440, 3970, 4816, 5558, 6020, 6352, 6880, 7940, 9632, 11116, 12040, 12704, 13895, 15880, 17071, 22232, 24080, 27790, 31760, 34142, 44464, 48160, 55580, 63520, 68284, 85355, 88928, 111160, 119497, 136568, 170710, 222320, 238994, 273136, 341420, 444640, 477988, 546272, 597485, 682840, 955976, 1194970, 1365680, 1911952, 2389940, 2731360, 3823904, 4779880, 9559760, 19119520]

約数ペア:

[(1, 19119520), (2, 9559760), (4, 4779880), (5, 3823904), (7, 2731360), (8, 2389940), (10, 1911952), (14, 1365680), (16, 1194970), (20, 955976), (28, 682840), (32, 597485), (35, 546272), (40, 477988), (43, 444640), (56, 341420), (70, 273136), (80, 238994), (86, 222320), (112, 170710), (140, 136568), (160, 119497), (172, 111160), (215, 88928), (224, 85355), (280, 68284), (301, 63520), (344, 55580), (397, 48160), (430, 44464), (560, 34142), (602, 31760), (688, 27790), (794, 24080), (860, 22232), (1120, 17071), (1204, 15880), (1376, 13895), (1505, 12704), (1588, 12040), (1720, 11116), (1985, 9632), (2408, 7940), (2779, 6880), (3010, 6352), (3176, 6020), (3440, 5558), (3970, 4816)]