19860746

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{941}}^1$

素因数の和:1177

約数の個数: 16

約数和(自身を含む): 30486888

約数和(自身を除く): 10626142

約数列:

[1, 2, 61, 122, 173, 346, 941, 1882, 10553, 21106, 57401, 114802, 162793, 325586, 9930373, 19860746]

約数ペア:

[(1, 19860746), (2, 9930373), (61, 325586), (122, 162793), (173, 114802), (346, 57401), (941, 21106), (1882, 10553)]