18523856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89057}}^1$

素因数の和:89078

約数の個数: 20

約数和(自身を含む): 38651172

約数和(自身を除く): 20127316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89057, 178114, 356228, 712456, 1157741, 1424912, 2315482, 4630964, 9261928, 18523856]

約数ペア:

[(1, 18523856), (2, 9261928), (4, 4630964), (8, 2315482), (13, 1424912), (16, 1157741), (26, 712456), (52, 356228), (104, 178114), (208, 89057)]