19248985

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 27666432

約数和(自身を除く): 8417447

約数列:

[1, 5, 7, 31, 35, 113, 155, 157, 217, 565, 785, 791, 1085, 1099, 3503, 3955, 4867, 5495, 17515, 17741, 24335, 24521, 34069, 88705, 122605, 124187, 170345, 549971, 620935, 2749855, 3849797, 19248985]

約数ペア:

[(1, 19248985), (5, 3849797), (7, 2749855), (31, 620935), (35, 549971), (113, 170345), (155, 124187), (157, 122605), (217, 88705), (565, 34069), (785, 24521), (791, 24335), (1085, 17741), (1099, 17515), (3503, 5495), (3955, 4867)]