18717810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2957}}^1$

素因数の和:3178

約数の個数: 32

約数和(自身を含む): 45150912

約数和(自身を除く): 26433102

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 2957, 3165, 5914, 6330, 8871, 14785, 17742, 29570, 44355, 88710, 623927, 1247854, 1871781, 3119635, 3743562, 6239270, 9358905, 18717810]

約数ペア:

[(1, 18717810), (2, 9358905), (3, 6239270), (5, 3743562), (6, 3119635), (10, 1871781), (15, 1247854), (30, 623927), (211, 88710), (422, 44355), (633, 29570), (1055, 17742), (1266, 14785), (2110, 8871), (2957, 6330), (3165, 5914)]