18475978

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 28252224

約数和(自身を除く): 9776246

約数列:

[1, 2, 97, 131, 194, 262, 727, 1454, 12707, 25414, 70519, 95237, 141038, 190474, 9237989, 18475978]

約数ペア:

[(1, 18475978), (2, 9237989), (97, 190474), (131, 141038), (194, 95237), (262, 70519), (727, 25414), (1454, 12707)]