19873310

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 37018080

約数和(自身を除く): 17144770

約数列:

[1, 2, 5, 10, 43, 86, 113, 215, 226, 409, 430, 565, 818, 1130, 2045, 4090, 4859, 9718, 17587, 24295, 35174, 46217, 48590, 87935, 92434, 175870, 231085, 462170, 1987331, 3974662, 9936655, 19873310]

約数ペア:

[(1, 19873310), (2, 9936655), (5, 3974662), (10, 1987331), (43, 462170), (86, 231085), (113, 175870), (215, 92434), (226, 87935), (409, 48590), (430, 46217), (565, 35174), (818, 24295), (1130, 17587), (2045, 9718), (4090, 4859)]