18953247

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 25740000

約数和(自身を除く): 6786753

約数列:

[1, 3, 109, 149, 327, 389, 447, 1167, 16241, 42401, 48723, 57961, 127203, 173883, 6317749, 18953247]

約数ペア:

[(1, 18953247), (3, 6317749), (109, 173883), (149, 127203), (327, 57961), (389, 48723), (447, 42401), (1167, 16241)]