18740670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1709

約数の個数: 64

約数和(自身を含む): 50137920

約数和(自身を除く): 31397250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1657, 1885, 2262, 3314, 3770, 4971, 5655, 8285, 9942, 11310, 16570, 21541, 24855, 43082, 48053, 49710, 64623, 96106, 107705, 129246, 144159, 215410, 240265, 288318, 323115, 480530, 624689, 646230, 720795, 1249378, 1441590, 1874067, 3123445, 3748134, 6246890, 9370335, 18740670]

約数ペア:

[(1, 18740670), (2, 9370335), (3, 6246890), (5, 3748134), (6, 3123445), (10, 1874067), (13, 1441590), (15, 1249378), (26, 720795), (29, 646230), (30, 624689), (39, 480530), (58, 323115), (65, 288318), (78, 240265), (87, 215410), (130, 144159), (145, 129246), (174, 107705), (195, 96106), (290, 64623), (377, 49710), (390, 48053), (435, 43082), (754, 24855), (870, 21541), (1131, 16570), (1657, 11310), (1885, 9942), (2262, 8285), (3314, 5655), (3770, 4971)]