18270964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 32859008

約数和(自身を除く): 14588044

約数列:

[1, 2, 4, 61, 103, 122, 206, 244, 412, 727, 1454, 2908, 6283, 12566, 25132, 44347, 74881, 88694, 149762, 177388, 299524, 4567741, 9135482, 18270964]

約数ペア:

[(1, 18270964), (2, 9135482), (4, 4567741), (61, 299524), (103, 177388), (122, 149762), (206, 88694), (244, 74881), (412, 44347), (727, 25132), (1454, 12566), (2908, 6283)]