19820628

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1373}}^1$

素因数の和:1784

約数の個数: 36

約数和(自身を含む): 50263668

約数和(自身を除く): 30443040

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1373, 1604, 2406, 2746, 3609, 4119, 4812, 5492, 7218, 8238, 12357, 14436, 16476, 24714, 49428, 550573, 1101146, 1651719, 2202292, 3303438, 4955157, 6606876, 9910314, 19820628]

約数ペア:

[(1, 19820628), (2, 9910314), (3, 6606876), (4, 4955157), (6, 3303438), (9, 2202292), (12, 1651719), (18, 1101146), (36, 550573), (401, 49428), (802, 24714), (1203, 16476), (1373, 14436), (1604, 12357), (2406, 8238), (2746, 7218), (3609, 5492), (4119, 4812)]