19748828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23623}}^1$

素因数の和:23657

約数の個数: 24

約数和(自身を含む): 39688320

約数和(自身を除く): 19939492

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23623, 47246, 94492, 259853, 448837, 519706, 897674, 1039412, 1795348, 4937207, 9874414, 19748828]

約数ペア:

[(1, 19748828), (2, 9874414), (4, 4937207), (11, 1795348), (19, 1039412), (22, 897674), (38, 519706), (44, 448837), (76, 259853), (209, 94492), (418, 47246), (836, 23623)]