1868740

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 3951360

約数和(自身を除く): 2082620

約数列:

[1, 2, 4, 5, 10, 20, 223, 419, 446, 838, 892, 1115, 1676, 2095, 2230, 4190, 4460, 8380, 93437, 186874, 373748, 467185, 934370, 1868740]

約数ペア:

[(1, 1868740), (2, 934370), (4, 467185), (5, 373748), (10, 186874), (20, 93437), (223, 8380), (419, 4460), (446, 4190), (838, 2230), (892, 2095), (1115, 1676)]