2018421725

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{1137139}}^1$

素因数の和:1137220

約数の個数: 12

約数和(自身を含む): 2538096480

約数和(自身を除く): 519674755

約数列:

[1, 5, 25, 71, 355, 1775, 1137139, 5685695, 28428475, 80736869, 403684345, 2018421725]

約数ペア:

[(1, 2018421725), (5, 403684345), (25, 80736869), (71, 28428475), (355, 5685695), (1775, 1137139)]