19541954

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1189

約数の個数: 16

約数和(自身を含む): 29962008

約数和(自身を除く): 10420054

約数列:

[1, 2, 73, 137, 146, 274, 977, 1954, 10001, 20002, 71321, 133849, 142642, 267698, 9770977, 19541954]

約数ペア:

[(1, 19541954), (2, 9770977), (73, 267698), (137, 142642), (146, 133849), (274, 71321), (977, 20002), (1954, 10001)]