12420490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65371}}^1$

素因数の和:65397

約数の個数: 16

約数和(自身を含む): 23533920

約数和(自身を除く): 11113430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 65371, 130742, 326855, 653710, 1242049, 2484098, 6210245, 12420490]

約数ペア:

[(1, 12420490), (2, 6210245), (5, 2484098), (10, 1242049), (19, 653710), (38, 326855), (95, 130742), (190, 65371)]