18385790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 16118914

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 467, 635, 934, 1270, 2335, 3937, 4670, 7874, 14477, 19685, 28954, 39370, 59309, 72385, 118618, 144770, 296545, 593090, 1838579, 3677158, 9192895, 18385790]

約数ペア:

[(1, 18385790), (2, 9192895), (5, 3677158), (10, 1838579), (31, 593090), (62, 296545), (127, 144770), (155, 118618), (254, 72385), (310, 59309), (467, 39370), (635, 28954), (934, 19685), (1270, 14477), (2335, 7874), (3937, 4670)]