18704828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6397}}^1$

素因数の和:6461

約数の個数: 24

約数和(自身を含む): 35470512

約数和(自身を除く): 16765684

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6397, 12794, 25588, 108749, 217498, 275071, 434996, 550142, 1100284, 4676207, 9352414, 18704828]

約数ペア:

[(1, 18704828), (2, 9352414), (4, 4676207), (17, 1100284), (34, 550142), (43, 434996), (68, 275071), (86, 217498), (172, 108749), (731, 25588), (1462, 12794), (2924, 6397)]