18970450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12239}}^1$

素因数の和:12282

約数の個数: 24

約数和(自身を含む): 36426240

約数和(自身を除く): 17455790

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12239, 24478, 61195, 122390, 305975, 379409, 611950, 758818, 1897045, 3794090, 9485225, 18970450]

約数ペア:

[(1, 18970450), (2, 9485225), (5, 3794090), (10, 1897045), (25, 758818), (31, 611950), (50, 379409), (62, 305975), (155, 122390), (310, 61195), (775, 24478), (1550, 12239)]