18887242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23203}}^1$

素因数の和:23253

約数の個数: 16

約数和(自身を含む): 31743072

約数和(自身を除く): 12855830

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23203, 46406, 255233, 510466, 858511, 1717022, 9443621, 18887242]

約数ペア:

[(1, 18887242), (2, 9443621), (11, 1717022), (22, 858511), (37, 510466), (74, 255233), (407, 46406), (814, 23203)]