18373285

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 27004320

約数和(自身を除く): 8631035

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 3947, 4655, 19735, 27629, 74993, 138145, 193403, 374965, 524951, 967015, 2624755, 3674657, 18373285]

約数ペア:

[(1, 18373285), (5, 3674657), (7, 2624755), (19, 967015), (35, 524951), (49, 374965), (95, 193403), (133, 138145), (245, 74993), (665, 27629), (931, 19735), (3947, 4655)]