19406890321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1\times {\mathrm{149239}}^1$

素因数の和:150688

約数の個数: 16

約数和(自身を含む): 23902278400

約数和(自身を除く): 4495388079

約数列:

[1, 7, 13, 91, 1429, 10003, 18577, 130039, 149239, 1044673, 1940107, 13580749, 213262531, 1492837717, 2772412903, 19406890321]

約数ペア:

[(1, 19406890321), (7, 2772412903), (13, 1492837717), (91, 213262531), (1429, 13580749), (10003, 1940107), (18577, 1044673), (130039, 149239)]