19821480194

素因数分解:

$2^1\times {\mathrm{457}}^1\times {\mathrm{21686521}}^1$

素因数の和:21686980

約数の個数: 8

約数和(自身を含む): 29797281228

約数和(自身を除く): 9975801034

約数列:

[1, 2, 457, 914, 21686521, 43373042, 9910740097, 19821480194]

約数ペア:

[(1, 19821480194), (2, 9910740097), (457, 43373042), (914, 21686521)]