2181124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 4384800

約数和(自身を除く): 2203676

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 2609, 5218, 10436, 28699, 49571, 57398, 99142, 114796, 198284, 545281, 1090562, 2181124]

約数ペア:

[(1, 2181124), (2, 1090562), (4, 545281), (11, 198284), (19, 114796), (22, 99142), (38, 57398), (44, 49571), (76, 28699), (209, 10436), (418, 5218), (836, 2609)]