19994618168

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1758851}}^1$

素因数の和:1758900

約数の個数: 48

約数和(自身を含む): 45114553800

約数和(自身を除く): 25119935632

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 2842, 5684, 11368, 1758851, 3517702, 7035404, 12311957, 14070808, 24623914, 49247828, 51006679, 86183699, 98495656, 102013358, 172367398, 204026716, 344734796, 357046753, 408053432, 689469592, 714093506, 1428187012, 2499327271, 2856374024, 4998654542, 9997309084, 19994618168]

約数ペア:

[(1, 19994618168), (2, 9997309084), (4, 4998654542), (7, 2856374024), (8, 2499327271), (14, 1428187012), (28, 714093506), (29, 689469592), (49, 408053432), (56, 357046753), (58, 344734796), (98, 204026716), (116, 172367398), (196, 102013358), (203, 98495656), (232, 86183699), (392, 51006679), (406, 49247828), (812, 24623914), (1421, 14070808), (1624, 12311957), (2842, 7035404), (5684, 3517702), (11368, 1758851)]