18772540

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2659}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 20776340

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2659, 3530, 5318, 7060, 10636, 13295, 26590, 53180, 938627, 1877254, 3754508, 4693135, 9386270, 18772540]

約数ペア:

[(1, 18772540), (2, 9386270), (4, 4693135), (5, 3754508), (10, 1877254), (20, 938627), (353, 53180), (706, 26590), (1412, 13295), (1765, 10636), (2659, 7060), (3530, 5318)]