18902517

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{677}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 25970112

約数和(自身を除く): 7067595

約数列:

[1, 3, 41, 123, 227, 677, 681, 2031, 9307, 27757, 27921, 83271, 153679, 461037, 6300839, 18902517]

約数ペア:

[(1, 18902517), (3, 6300839), (41, 461037), (123, 153679), (227, 83271), (677, 27921), (681, 27757), (2031, 9307)]