18978570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5407}}^1$

素因数の和:5436

約数の個数: 64

約数和(自身を含む): 54512640

約数和(自身を除く): 35534070

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5407, 10814, 16221, 27035, 32442, 48663, 54070, 70291, 81105, 97326, 140582, 145989, 162210, 210873, 243315, 291978, 351455, 421746, 486630, 632619, 702910, 729945, 1054365, 1265238, 1459890, 1897857, 2108730, 3163095, 3795714, 6326190, 9489285, 18978570]

約数ペア:

[(1, 18978570), (2, 9489285), (3, 6326190), (5, 3795714), (6, 3163095), (9, 2108730), (10, 1897857), (13, 1459890), (15, 1265238), (18, 1054365), (26, 729945), (27, 702910), (30, 632619), (39, 486630), (45, 421746), (54, 351455), (65, 291978), (78, 243315), (90, 210873), (117, 162210), (130, 145989), (135, 140582), (195, 97326), (234, 81105), (270, 70291), (351, 54070), (390, 48663), (585, 32442), (702, 27035), (1170, 16221), (1755, 10814), (3510, 5407)]