18923107

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1801}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 23065600

約数和(自身を除く): 4142493

約数列:

[1, 7, 19, 79, 133, 553, 1501, 1801, 10507, 12607, 34219, 142279, 239533, 995953, 2703301, 18923107]

約数ペア:

[(1, 18923107), (7, 2703301), (19, 995953), (79, 239533), (133, 142279), (553, 34219), (1501, 12607), (1801, 10507)]