9219220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4229}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 19542600

約数和(自身を除く): 10323380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4229, 8458, 16916, 21145, 42290, 84580, 460961, 921922, 1843844, 2304805, 4609610, 9219220]

約数ペア:

[(1, 9219220), (2, 4609610), (4, 2304805), (5, 1843844), (10, 921922), (20, 460961), (109, 84580), (218, 42290), (436, 21145), (545, 16916), (1090, 8458), (2180, 4229)]