18705210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27109}}^1$

素因数の和:27142

約数の個数: 32

約数和(自身を含む): 46846080

約数和(自身を除く): 28140870

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 27109, 54218, 81327, 135545, 162654, 271090, 406635, 623507, 813270, 1247014, 1870521, 3117535, 3741042, 6235070, 9352605, 18705210]

約数ペア:

[(1, 18705210), (2, 9352605), (3, 6235070), (5, 3741042), (6, 3117535), (10, 1870521), (15, 1247014), (23, 813270), (30, 623507), (46, 406635), (69, 271090), (115, 162654), (138, 135545), (230, 81327), (345, 54218), (690, 27109)]