18997218

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{45887}}^1$

素因数の和:45918

約数の個数: 24

約数和(自身を含む): 42951168

約数和(自身を除く): 23953950

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 45887, 91774, 137661, 275322, 412983, 825966, 1055401, 2110802, 3166203, 6332406, 9498609, 18997218]

約数ペア:

[(1, 18997218), (2, 9498609), (3, 6332406), (6, 3166203), (9, 2110802), (18, 1055401), (23, 825966), (46, 412983), (69, 275322), (138, 137661), (207, 91774), (414, 45887)]