17962480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 42153552

約数和(自身を除く): 24191072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 1987, 2260, 3974, 4520, 7948, 9040, 9935, 15896, 19870, 31792, 39740, 79480, 158960, 224531, 449062, 898124, 1122655, 1796248, 2245310, 3592496, 4490620, 8981240, 17962480]

約数ペア:

[(1, 17962480), (2, 8981240), (4, 4490620), (5, 3592496), (8, 2245310), (10, 1796248), (16, 1122655), (20, 898124), (40, 449062), (80, 224531), (113, 158960), (226, 79480), (452, 39740), (565, 31792), (904, 19870), (1130, 15896), (1808, 9935), (1987, 9040), (2260, 7948), (3974, 4520)]