18749420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30241}}^1$

素因数の和:30281

約数の個数: 24

約数和(自身を含む): 40645248

約数和(自身を除く): 21895828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30241, 60482, 120964, 151205, 302410, 604820, 937471, 1874942, 3749884, 4687355, 9374710, 18749420]

約数ペア:

[(1, 18749420), (2, 9374710), (4, 4687355), (5, 3749884), (10, 1874942), (20, 937471), (31, 604820), (62, 302410), (124, 151205), (155, 120964), (310, 60482), (620, 30241)]