18685744

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 46782720

約数和(自身を除く): 28096976

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 523, 616, 638, 812, 1046, 1232, 1276, 1624, 2092, 2233, 2552, 3248, 3661, 4184, 4466, 5104, 5753, 7322, 8368, 8932, 11506, 14644, 15167, 17864, 23012, 29288, 30334, 35728, 40271, 46024, 58576, 60668, 80542, 92048, 106169, 121336, 161084, 166837, 212338, 242672, 322168, 333674, 424676, 644336, 667348, 849352, 1167859, 1334696, 1698704, 2335718, 2669392, 4671436, 9342872, 18685744]

約数ペア:

[(1, 18685744), (2, 9342872), (4, 4671436), (7, 2669392), (8, 2335718), (11, 1698704), (14, 1334696), (16, 1167859), (22, 849352), (28, 667348), (29, 644336), (44, 424676), (56, 333674), (58, 322168), (77, 242672), (88, 212338), (112, 166837), (116, 161084), (154, 121336), (176, 106169), (203, 92048), (232, 80542), (308, 60668), (319, 58576), (406, 46024), (464, 40271), (523, 35728), (616, 30334), (638, 29288), (812, 23012), (1046, 17864), (1232, 15167), (1276, 14644), (1624, 11506), (2092, 8932), (2233, 8368), (2552, 7322), (3248, 5753), (3661, 5104), (4184, 4466)]