18965451

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 26216960

約数和(自身を除く): 7251509

約数列:

[1, 3, 43, 79, 129, 237, 1861, 3397, 5583, 10191, 80023, 147019, 240069, 441057, 6321817, 18965451]

約数ペア:

[(1, 18965451), (3, 6321817), (43, 441057), (79, 240069), (129, 147019), (237, 80023), (1861, 10191), (3397, 5583)]