18213728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43783}}^1$

素因数の和:43806

約数の個数: 24

約数和(自身を含む): 38617488

約数和(自身を除く): 20403760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 43783, 87566, 175132, 350264, 569179, 700528, 1138358, 1401056, 2276716, 4553432, 9106864, 18213728]

約数ペア:

[(1, 18213728), (2, 9106864), (4, 4553432), (8, 2276716), (13, 1401056), (16, 1138358), (26, 700528), (32, 569179), (52, 350264), (104, 175132), (208, 87566), (416, 43783)]