209569810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1102999}}^1$

素因数の和:1103025

約数の個数: 16

約数和(自身を含む): 397080000

約数和(自身を除く): 187510190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1102999, 2205998, 5514995, 11029990, 20956981, 41913962, 104784905, 209569810]

約数ペア:

[(1, 209569810), (2, 104784905), (5, 41913962), (10, 20956981), (19, 11029990), (38, 5514995), (95, 2205998), (190, 1102999)]