19893776

素因数分解:

$2^4\times 7^1\times {\mathrm{177623}}^1$

素因数の和:177638

約数の個数: 20

約数和(自身を含む): 44050752

約数和(自身を除く): 24156976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177623, 355246, 710492, 1243361, 1420984, 2486722, 2841968, 4973444, 9946888, 19893776]

約数ペア:

[(1, 19893776), (2, 9946888), (4, 4973444), (7, 2841968), (8, 2486722), (14, 1420984), (16, 1243361), (28, 710492), (56, 355246), (112, 177623)]