18516368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89021}}^1$

素因数の和:89042

約数の個数: 20

約数和(自身を含む): 38635548

約数和(自身を除く): 20119180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89021, 178042, 356084, 712168, 1157273, 1424336, 2314546, 4629092, 9258184, 18516368]

約数ペア:

[(1, 18516368), (2, 9258184), (4, 4629092), (8, 2314546), (13, 1424336), (16, 1157273), (26, 712168), (52, 356084), (104, 178042), (208, 89021)]