18399898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20399}}^1$

素因数の和:20453

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 12444902

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20399, 40798, 224389, 448778, 836359, 1672718, 9199949, 18399898]

約数ペア:

[(1, 18399898), (2, 9199949), (11, 1672718), (22, 836359), (41, 448778), (82, 224389), (451, 40798), (902, 20399)]