15218920

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1129}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 34374600

約数和(自身を除く): 19155680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1129, 1348, 1685, 2258, 2696, 3370, 4516, 5645, 6740, 9032, 11290, 13480, 22580, 45160, 380473, 760946, 1521892, 1902365, 3043784, 3804730, 7609460, 15218920]

約数ペア:

[(1, 15218920), (2, 7609460), (4, 3804730), (5, 3043784), (8, 1902365), (10, 1521892), (20, 760946), (40, 380473), (337, 45160), (674, 22580), (1129, 13480), (1348, 11290), (1685, 9032), (2258, 6740), (2696, 5645), (3370, 4516)]