18989160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{158243}}^1$

素因数の和:158257

約数の個数: 32

約数和(自身を含む): 56967840

約数和(自身を除く): 37978680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 158243, 316486, 474729, 632972, 791215, 949458, 1265944, 1582430, 1898916, 2373645, 3164860, 3797832, 4747290, 6329720, 9494580, 18989160]

約数ペア:

[(1, 18989160), (2, 9494580), (3, 6329720), (4, 4747290), (5, 3797832), (6, 3164860), (8, 2373645), (10, 1898916), (12, 1582430), (15, 1265944), (20, 949458), (24, 791215), (30, 632972), (40, 474729), (60, 316486), (120, 158243)]