19907713936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113112011}}^1$

素因数の和:113112030

約数の個数: 20

約数和(自身を含む): 42077668464

約数和(自身を除く): 22169954528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113112011, 226224022, 452448044, 904896088, 1244232121, 1809792176, 2488464242, 4976928484, 9953856968, 19907713936]

約数ペア:

[(1, 19907713936), (2, 9953856968), (4, 4976928484), (8, 2488464242), (11, 1809792176), (16, 1244232121), (22, 904896088), (44, 452448044), (88, 226224022), (176, 113112011)]