18241100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2402

約数の個数: 36

約数和(自身を含む): 40101600

約数和(自身を除く): 21860500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2309, 3950, 4618, 7900, 9236, 11545, 23090, 46180, 57725, 115450, 182411, 230900, 364822, 729644, 912055, 1824110, 3648220, 4560275, 9120550, 18241100]

約数ペア:

[(1, 18241100), (2, 9120550), (4, 4560275), (5, 3648220), (10, 1824110), (20, 912055), (25, 729644), (50, 364822), (79, 230900), (100, 182411), (158, 115450), (316, 57725), (395, 46180), (790, 23090), (1580, 11545), (1975, 9236), (2309, 7900), (3950, 4618)]