18520214

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 28440720

約数和(自身を除く): 9920506

約数列:

[1, 2, 53, 106, 379, 461, 758, 922, 20087, 24433, 40174, 48866, 174719, 349438, 9260107, 18520214]

約数ペア:

[(1, 18520214), (2, 9260107), (53, 349438), (106, 174719), (379, 48866), (461, 40174), (758, 24433), (922, 20087)]