2019913707

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{431329}}^1$

素因数の和:431562

約数の個数: 16

約数和(自身を含む): 3091773440

約数和(自身を除く): 1071859733

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 431329, 1293987, 3019303, 9057909, 96186367, 288559101, 673304569, 2019913707]

約数ペア:

[(1, 2019913707), (3, 673304569), (7, 288559101), (21, 96186367), (223, 9057909), (669, 3019303), (1561, 1293987), (4683, 431329)]