19141899

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 29885328

約数和(自身を除く): 10743429

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 661, 1379, 1983, 4137, 4627, 9653, 13881, 28959, 32389, 97167, 130217, 390651, 911519, 2734557, 6380633, 19141899]

約数ペア:

[(1, 19141899), (3, 6380633), (7, 2734557), (21, 911519), (49, 390651), (147, 130217), (197, 97167), (591, 32389), (661, 28959), (1379, 13881), (1983, 9653), (4137, 4627)]