18172892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{491}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 33613440

約数和(自身を除く): 15440548

約数列:

[1, 2, 4, 19, 38, 76, 487, 491, 974, 982, 1948, 1964, 9253, 9329, 18506, 18658, 37012, 37316, 239117, 478234, 956468, 4543223, 9086446, 18172892]

約数ペア:

[(1, 18172892), (2, 9086446), (4, 4543223), (19, 956468), (38, 478234), (76, 239117), (487, 37316), (491, 37012), (974, 18658), (982, 18506), (1948, 9329), (1964, 9253)]