19807928

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12197}}^1$

素因数の和:12239

約数の個数: 32

約数和(自身を含む): 43912800

約数和(自身を除く): 24104872

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12197, 24394, 48788, 85379, 97576, 170758, 341516, 353713, 683032, 707426, 1414852, 2475991, 2829704, 4951982, 9903964, 19807928]

約数ペア:

[(1, 19807928), (2, 9903964), (4, 4951982), (7, 2829704), (8, 2475991), (14, 1414852), (28, 707426), (29, 683032), (56, 353713), (58, 341516), (116, 170758), (203, 97576), (232, 85379), (406, 48788), (812, 24394), (1624, 12197)]