19928312

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{42221}}^1$

素因数の和:42286

約数の個数: 16

約数和(自身を含む): 37999800

約数和(自身を除く): 18071488

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 42221, 84442, 168884, 337768, 2491039, 4982078, 9964156, 19928312]

約数ペア:

[(1, 19928312), (2, 9964156), (4, 4982078), (8, 2491039), (59, 337768), (118, 168884), (236, 84442), (472, 42221)]