19117790

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8573}}^1$

素因数の和:8803

約数の個数: 16

約数和(自身を含む): 34570368

約数和(自身を除く): 15452578

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8573, 17146, 42865, 85730, 1911779, 3823558, 9558895, 19117790]

約数ペア:

[(1, 19117790), (2, 9558895), (5, 3823558), (10, 1911779), (223, 85730), (446, 42865), (1115, 17146), (2230, 8573)]