18980491740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45191647}}^1$

素因数の和:45191666

約数の個数: 48

約数和(自身を含む): 60737574912

約数和(自身を除く): 41757083172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45191647, 90383294, 135574941, 180766588, 225958235, 271149882, 316341529, 451916470, 542299764, 632683058, 677874705, 903832940, 949024587, 1265366116, 1355749410, 1581707645, 1898049174, 2711498820, 3163415290, 3796098348, 4745122935, 6326830580, 9490245870, 18980491740]

約数ペア:

[(1, 18980491740), (2, 9490245870), (3, 6326830580), (4, 4745122935), (5, 3796098348), (6, 3163415290), (7, 2711498820), (10, 1898049174), (12, 1581707645), (14, 1355749410), (15, 1265366116), (20, 949024587), (21, 903832940), (28, 677874705), (30, 632683058), (35, 542299764), (42, 451916470), (60, 316341529), (70, 271149882), (84, 225958235), (105, 180766588), (140, 135574941), (210, 90383294), (420, 45191647)]