19893676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1609}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 38137680

約数和(自身を除く): 18244004

約数列:

[1, 2, 4, 11, 22, 44, 281, 562, 1124, 1609, 3091, 3218, 6182, 6436, 12364, 17699, 35398, 70796, 452129, 904258, 1808516, 4973419, 9946838, 19893676]

約数ペア:

[(1, 19893676), (2, 9946838), (4, 4973419), (11, 1808516), (22, 904258), (44, 452129), (281, 70796), (562, 35398), (1124, 17699), (1609, 12364), (3091, 6436), (3218, 6182)]