18397377

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 28146560

約数和(自身を除く): 9749183

約数列:

[1, 3, 9, 19, 57, 171, 271, 397, 813, 1191, 2439, 3573, 5149, 7543, 15447, 22629, 46341, 67887, 107587, 322761, 968283, 2044153, 6132459, 18397377]

約数ペア:

[(1, 18397377), (3, 6132459), (9, 2044153), (19, 968283), (57, 322761), (171, 107587), (271, 67887), (397, 46341), (813, 22629), (1191, 15447), (2439, 7543), (3573, 5149)]