19989596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23911}}^1$

素因数の和:23945

約数の個数: 24

約数和(自身を含む): 40172160

約数和(自身を除く): 20182564

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23911, 47822, 95644, 263021, 454309, 526042, 908618, 1052084, 1817236, 4997399, 9994798, 19989596]

約数ペア:

[(1, 19989596), (2, 9994798), (4, 4997399), (11, 1817236), (19, 1052084), (22, 908618), (38, 526042), (44, 454309), (76, 263021), (209, 95644), (418, 47822), (836, 23911)]