19973570

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 16901950

約数列:

[1, 2, 5, 10, 79, 131, 158, 193, 262, 386, 395, 655, 790, 965, 1310, 1930, 10349, 15247, 20698, 25283, 30494, 50566, 51745, 76235, 103490, 126415, 152470, 252830, 1997357, 3994714, 9986785, 19973570]

約数ペア:

[(1, 19973570), (2, 9986785), (5, 3994714), (10, 1997357), (79, 252830), (131, 152470), (158, 126415), (193, 103490), (262, 76235), (386, 51745), (395, 50566), (655, 30494), (790, 25283), (965, 20698), (1310, 15247), (1930, 10349)]