19211017

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 22435200

約数和(自身を除く): 3224183

約数列:

[1, 7, 113, 149, 163, 791, 1043, 1141, 16837, 18419, 24287, 117859, 128933, 170009, 2744431, 19211017]

約数ペア:

[(1, 19211017), (7, 2744431), (113, 170009), (149, 128933), (163, 117859), (791, 24287), (1043, 18419), (1141, 16837)]