18203416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25860584

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 616, 638, 812, 1019, 1276, 1624, 2038, 2233, 2552, 4076, 4466, 7133, 8152, 8932, 11209, 14266, 17864, 22418, 28532, 29551, 44836, 57064, 59102, 78463, 89672, 118204, 156926, 206857, 236408, 313852, 325061, 413714, 627704, 650122, 827428, 1300244, 1654856, 2275427, 2600488, 4550854, 9101708, 18203416]

約数ペア:

[(1, 18203416), (2, 9101708), (4, 4550854), (7, 2600488), (8, 2275427), (11, 1654856), (14, 1300244), (22, 827428), (28, 650122), (29, 627704), (44, 413714), (56, 325061), (58, 313852), (77, 236408), (88, 206857), (116, 156926), (154, 118204), (203, 89672), (232, 78463), (308, 59102), (319, 57064), (406, 44836), (616, 29551), (638, 28532), (812, 22418), (1019, 17864), (1276, 14266), (1624, 11209), (2038, 8932), (2233, 8152), (2552, 7133), (4076, 4466)]