18733820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133813}}^1$

素因数の和:133829

約数の個数: 24

約数和(自身を含む): 44961504

約数和(自身を除く): 26227684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133813, 267626, 535252, 669065, 936691, 1338130, 1873382, 2676260, 3746764, 4683455, 9366910, 18733820]

約数ペア:

[(1, 18733820), (2, 9366910), (4, 4683455), (5, 3746764), (7, 2676260), (10, 1873382), (14, 1338130), (20, 936691), (28, 669065), (35, 535252), (70, 267626), (140, 133813)]