18946473

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69401}}^1$

素因数の和:69424

約数の個数: 16

約数和(自身を含む): 31092096

約数和(自身を除く): 12145623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69401, 208203, 485807, 902213, 1457421, 2706639, 6315491, 18946473]

約数ペア:

[(1, 18946473), (3, 6315491), (7, 2706639), (13, 1457421), (21, 902213), (39, 485807), (91, 208203), (273, 69401)]