18983516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4423}}^1$

素因数の和:4493

約数の個数: 24

約数和(自身を含む): 35303520

約数和(自身を除く): 16320004

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4423, 8846, 17692, 128267, 163651, 256534, 327302, 513068, 654604, 4745879, 9491758, 18983516]

約数ペア:

[(1, 18983516), (2, 9491758), (4, 4745879), (29, 654604), (37, 513068), (58, 327302), (74, 256534), (116, 163651), (148, 128267), (1073, 17692), (2146, 8846), (4292, 4423)]