18375368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 40590720

約数和(自身を除く): 22215352

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 71, 88, 136, 142, 173, 187, 284, 346, 374, 568, 692, 748, 781, 1207, 1384, 1496, 1562, 1903, 2414, 2941, 3124, 3806, 4828, 5882, 6248, 7612, 9656, 11764, 12283, 13277, 15224, 23528, 24566, 26554, 32351, 49132, 53108, 64702, 98264, 106216, 129404, 135113, 208811, 258808, 270226, 417622, 540452, 835244, 1080904, 1670488, 2296921, 4593842, 9187684, 18375368]

約数ペア:

[(1, 18375368), (2, 9187684), (4, 4593842), (8, 2296921), (11, 1670488), (17, 1080904), (22, 835244), (34, 540452), (44, 417622), (68, 270226), (71, 258808), (88, 208811), (136, 135113), (142, 129404), (173, 106216), (187, 98264), (284, 64702), (346, 53108), (374, 49132), (568, 32351), (692, 26554), (748, 24566), (781, 23528), (1207, 15224), (1384, 13277), (1496, 12283), (1562, 11764), (1903, 9656), (2414, 7612), (2941, 6248), (3124, 5882), (3806, 4828)]