19974058

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2027}}^1$

素因数の和:2421

約数の個数: 16

約数和(自身を含む): 32366880

約数和(自身を除く): 12392822

約数列:

[1, 2, 13, 26, 379, 758, 2027, 4054, 4927, 9854, 26351, 52702, 768233, 1536466, 9987029, 19974058]

約数ペア:

[(1, 19974058), (2, 9987029), (13, 1536466), (26, 768233), (379, 52702), (758, 26351), (2027, 9854), (4054, 4927)]