18516380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40253}}^1$

素因数の和:40285

約数の個数: 24

約数和(自身を含む): 40576032

約数和(自身を除く): 22059652

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40253, 80506, 161012, 201265, 402530, 805060, 925819, 1851638, 3703276, 4629095, 9258190, 18516380]

約数ペア:

[(1, 18516380), (2, 9258190), (4, 4629095), (5, 3703276), (10, 1851638), (20, 925819), (23, 805060), (46, 402530), (92, 201265), (115, 161012), (230, 80506), (460, 40253)]