19987148

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3251}}^1$

素因数の和:3337

約数の個数: 24

約数和(自身を含む): 36877680

約数和(自身を除く): 16890532

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 212, 1537, 3074, 3251, 6148, 6502, 13004, 94279, 172303, 188558, 344606, 377116, 689212, 4996787, 9993574, 19987148]

約数ペア:

[(1, 19987148), (2, 9993574), (4, 4996787), (29, 689212), (53, 377116), (58, 344606), (106, 188558), (116, 172303), (212, 94279), (1537, 13004), (3074, 6502), (3251, 6148)]