12194920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2797}}^1$

素因数の和:2917

約数の個数: 32

約数和(自身を含む): 27700200

約数和(自身を除く): 15505280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2797, 4360, 5594, 11188, 13985, 22376, 27970, 55940, 111880, 304873, 609746, 1219492, 1524365, 2438984, 3048730, 6097460, 12194920]

約数ペア:

[(1, 12194920), (2, 6097460), (4, 3048730), (5, 2438984), (8, 1524365), (10, 1219492), (20, 609746), (40, 304873), (109, 111880), (218, 55940), (436, 27970), (545, 22376), (872, 13985), (1090, 11188), (2180, 5594), (2797, 4360)]