19201610878

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1\times {\mathrm{133811}}^1$

素因数の和:134427

約数の個数: 16

約数和(自身を含む): 29049514704

約数和(自身を除く): 9847903826

約数列:

[1, 2, 157, 314, 457, 914, 71749, 133811, 143498, 267622, 21008327, 42016654, 61151627, 122303254, 9600805439, 19201610878]

約数ペア:

[(1, 19201610878), (2, 9600805439), (157, 122303254), (314, 61151627), (457, 42016654), (914, 21008327), (71749, 267622), (133811, 143498)]