18369903

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6857}}^1$

素因数の和:6926

約数の個数: 16

約数和(自身を含む): 26334720

約数和(自身を除く): 7964817

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 6857, 20571, 130283, 322279, 390849, 966837, 6123301, 18369903]

約数ペア:

[(1, 18369903), (3, 6123301), (19, 966837), (47, 390849), (57, 322279), (141, 130283), (893, 20571), (2679, 6857)]