18880922

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{1307}}^1$

素因数の和:1573

約数の個数: 16

約数和(自身を含む): 29382912

約数和(自身を除く): 10501990

約数列:

[1, 2, 31, 62, 233, 466, 1307, 2614, 7223, 14446, 40517, 81034, 304531, 609062, 9440461, 18880922]

約数ペア:

[(1, 18880922), (2, 9440461), (31, 609062), (62, 304531), (233, 81034), (466, 40517), (1307, 14446), (2614, 7223)]