19770734

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:779

約数の個数: 16

約数和(自身を含む): 30162048

約数和(自身を除く): 10391314

約数列:

[1, 2, 97, 194, 223, 446, 457, 914, 21631, 43262, 44329, 88658, 101911, 203822, 9885367, 19770734]

約数ペア:

[(1, 19770734), (2, 9885367), (97, 203822), (194, 101911), (223, 88658), (446, 44329), (457, 43262), (914, 21631)]