18879597

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10037}}^1$

素因数の和:10073

約数の個数: 24

約数和(自身を含む): 31318560

約数和(自身を除く): 12438963

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10037, 30111, 90333, 110407, 190703, 331221, 572109, 993663, 1716327, 2097733, 6293199, 18879597]

約数ペア:

[(1, 18879597), (3, 6293199), (9, 2097733), (11, 1716327), (19, 993663), (33, 572109), (57, 331221), (99, 190703), (171, 110407), (209, 90333), (627, 30111), (1881, 10037)]