18357872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88259}}^1$

素因数の和:88280

約数の個数: 20

約数和(自身を含む): 38304840

約数和(自身を除く): 19946968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88259, 176518, 353036, 706072, 1147367, 1412144, 2294734, 4589468, 9178936, 18357872]

約数ペア:

[(1, 18357872), (2, 9178936), (4, 4589468), (8, 2294734), (13, 1412144), (16, 1147367), (26, 706072), (52, 353036), (104, 176518), (208, 88259)]