17895980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16883}}^1$

素因数の和:16945

約数の個数: 24

約数和(自身を含む): 38292912

約数和(自身を除く): 20396932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 16883, 33766, 67532, 84415, 168830, 337660, 894799, 1789598, 3579196, 4473995, 8947990, 17895980]

約数ペア:

[(1, 17895980), (2, 8947990), (4, 4473995), (5, 3579196), (10, 1789598), (20, 894799), (53, 337660), (106, 168830), (212, 84415), (265, 67532), (530, 33766), (1060, 16883)]