18664326290

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6642109}}^1$

素因数の和:6642397

約数の個数: 16

約数和(自身を含む): 33715350360

約数和(自身を除く): 15051024070

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 6642109, 13284218, 33210545, 66421090, 1866432629, 3732865258, 9332163145, 18664326290]

約数ペア:

[(1, 18664326290), (2, 9332163145), (5, 3732865258), (10, 1866432629), (281, 66421090), (562, 33210545), (1405, 13284218), (2810, 6642109)]