138873584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{456821}}^1$

素因数の和:456848

約数の個数: 20

約数和(自身を含む): 283229640

約数和(自身を除く): 144356056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 456821, 913642, 1827284, 3654568, 7309136, 8679599, 17359198, 34718396, 69436792, 138873584]

約数ペア:

[(1, 138873584), (2, 69436792), (4, 34718396), (8, 17359198), (16, 8679599), (19, 7309136), (38, 3654568), (76, 1827284), (152, 913642), (304, 456821)]