18404840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3623}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 41748480

約数和(自身を除く): 23343640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3623, 5080, 7246, 14492, 18115, 28984, 36230, 72460, 144920, 460121, 920242, 1840484, 2300605, 3680968, 4601210, 9202420, 18404840]

約数ペア:

[(1, 18404840), (2, 9202420), (4, 4601210), (5, 3680968), (8, 2300605), (10, 1840484), (20, 920242), (40, 460121), (127, 144920), (254, 72460), (508, 36230), (635, 28984), (1016, 18115), (1270, 14492), (2540, 7246), (3623, 5080)]