19637140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8689}}^1$

素因数の和:8811

約数の個数: 24

約数和(自身を含む): 41607720

約数和(自身を除く): 21970580

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8689, 17378, 34756, 43445, 86890, 173780, 981857, 1963714, 3927428, 4909285, 9818570, 19637140]

約数ペア:

[(1, 19637140), (2, 9818570), (4, 4909285), (5, 3927428), (10, 1963714), (20, 981857), (113, 173780), (226, 86890), (452, 43445), (565, 34756), (1130, 17378), (2260, 8689)]