19782430

素因数分解:

$2^1\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1861}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 35661024

約数和(自身を除く): 15878594

約数列:

[1, 2, 5, 10, 1063, 1861, 2126, 3722, 5315, 9305, 10630, 18610, 1978243, 3956486, 9891215, 19782430]

約数ペア:

[(1, 19782430), (2, 9891215), (5, 3956486), (10, 1978243), (1063, 18610), (1861, 10630), (2126, 9305), (3722, 5315)]