18191451

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4549}}^1$

素因数の和:4626

約数の個数: 16

約数和(自身を含む): 25625600

約数和(自身を除く): 7434149

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4549, 13647, 141019, 195607, 423057, 586821, 6063817, 18191451]

約数ペア:

[(1, 18191451), (3, 6063817), (31, 586821), (43, 423057), (93, 195607), (129, 141019), (1333, 13647), (3999, 4549)]