18928490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270407}}^1$

素因数の和:270421

約数の個数: 16

約数和(自身を含む): 38938752

約数和(自身を除く): 20010262

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270407, 540814, 1352035, 1892849, 2704070, 3785698, 9464245, 18928490]

約数ペア:

[(1, 18928490), (2, 9464245), (5, 3785698), (7, 2704070), (10, 1892849), (14, 1352035), (35, 540814), (70, 270407)]