19860753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 30523392

約数和(自身を除く): 10662639

約数列:

[1, 3, 11, 23, 33, 69, 137, 191, 253, 411, 573, 759, 1507, 2101, 3151, 4393, 4521, 6303, 9453, 13179, 26167, 34661, 48323, 78501, 103983, 144969, 287837, 601841, 863511, 1805523, 6620251, 19860753]

約数ペア:

[(1, 19860753), (3, 6620251), (11, 1805523), (23, 863511), (33, 601841), (69, 287837), (137, 144969), (191, 103983), (253, 78501), (411, 48323), (573, 34661), (759, 26167), (1507, 13179), (2101, 9453), (3151, 6303), (4393, 4521)]