18407120

素因数分解:

$2^4\times 5^1\times {\mathrm{230089}}^1$

素因数の和:230102

約数の個数: 20

約数和(自身を含む): 42796740

約数和(自身を除く): 24389620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230089, 460178, 920356, 1150445, 1840712, 2300890, 3681424, 4601780, 9203560, 18407120]

約数ペア:

[(1, 18407120), (2, 9203560), (4, 4601780), (5, 3681424), (8, 2300890), (10, 1840712), (16, 1150445), (20, 920356), (40, 460178), (80, 230089)]