19932367

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 36

約数和(自身を含む): 26286120

約数和(自身を除く): 6353753

約数列:

[1, 7, 13, 29, 49, 83, 91, 169, 203, 377, 581, 637, 1079, 1183, 1421, 2407, 2639, 4067, 4901, 7553, 8281, 14027, 16849, 18473, 31291, 34307, 52871, 98189, 117943, 219037, 240149, 406783, 687323, 1533259, 2847481, 19932367]

約数ペア:

[(1, 19932367), (7, 2847481), (13, 1533259), (29, 687323), (49, 406783), (83, 240149), (91, 219037), (169, 117943), (203, 98189), (377, 52871), (581, 34307), (637, 31291), (1079, 18473), (1183, 16849), (1421, 14027), (2407, 8281), (2639, 7553), (4067, 4901)]