18628665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{112901}}^1$

素因数の和:112920

約数の個数: 16

約数和(自身を含む): 32515776

約数和(自身を除く): 13887111

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 112901, 338703, 564505, 1241911, 1693515, 3725733, 6209555, 18628665]

約数ペア:

[(1, 18628665), (3, 6209555), (5, 3725733), (11, 1693515), (15, 1241911), (33, 564505), (55, 338703), (165, 112901)]