19637631

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12911}}^1$

素因数の和:12943

約数の個数: 18

約数和(自身を含む): 30717648

約数和(自身を除く): 11080017

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12911, 38733, 116199, 167843, 503529, 1510587, 2181959, 6545877, 19637631]

約数ペア:

[(1, 19637631), (3, 6545877), (9, 2181959), (13, 1510587), (39, 503529), (117, 167843), (169, 116199), (507, 38733), (1521, 12911)]