17923997

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 22159872

約数和(自身を除く): 4235875

約数列:

[1, 7, 13, 91, 431, 457, 3017, 3199, 5603, 5941, 39221, 41587, 196967, 1378769, 2560571, 17923997]

約数ペア:

[(1, 17923997), (7, 2560571), (13, 1378769), (91, 196967), (431, 41587), (457, 39221), (3017, 5941), (3199, 5603)]