12865318

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 24

約数和(自身を含む): 20683728

約数和(自身を除く): 7818410

約数列:

[1, 2, 19, 38, 103, 173, 206, 346, 361, 722, 1957, 3287, 3914, 6574, 17819, 35638, 37183, 62453, 74366, 124906, 338561, 677122, 6432659, 12865318]

約数ペア:

[(1, 12865318), (2, 6432659), (19, 677122), (38, 338561), (103, 124906), (173, 74366), (206, 62453), (346, 37183), (361, 35638), (722, 17819), (1957, 6574), (3287, 3914)]