19637176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23908424

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 221, 232, 377, 383, 442, 493, 754, 766, 884, 986, 1508, 1532, 1768, 1972, 3016, 3064, 3944, 4979, 6409, 6511, 9958, 11107, 12818, 13022, 19916, 22214, 25636, 26044, 39832, 44428, 51272, 52088, 84643, 88856, 144391, 169286, 188819, 288782, 338572, 377638, 577564, 677144, 755276, 1155128, 1510552, 2454647, 4909294, 9818588, 19637176]

約数ペア:

[(1, 19637176), (2, 9818588), (4, 4909294), (8, 2454647), (13, 1510552), (17, 1155128), (26, 755276), (29, 677144), (34, 577564), (52, 377638), (58, 338572), (68, 288782), (104, 188819), (116, 169286), (136, 144391), (221, 88856), (232, 84643), (377, 52088), (383, 51272), (442, 44428), (493, 39832), (754, 26044), (766, 25636), (884, 22214), (986, 19916), (1508, 13022), (1532, 12818), (1768, 11107), (1972, 9958), (3016, 6511), (3064, 6409), (3944, 4979)]