18685070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26317}}^1$

素因数の和:26395

約数の個数: 16

約数和(自身を含む): 34108128

約数和(自身を除く): 15423058

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26317, 52634, 131585, 263170, 1868507, 3737014, 9342535, 18685070]

約数ペア:

[(1, 18685070), (2, 9342535), (5, 3737014), (10, 1868507), (71, 263170), (142, 131585), (355, 52634), (710, 26317)]