398411722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{10391}}^1$

素因数の和:11421

約数の個数: 16

約数和(自身を含む): 629755200

約数和(自身を除く): 231343478

約数列:

[1, 2, 19, 38, 1009, 2018, 10391, 19171, 20782, 38342, 197429, 394858, 10484519, 20969038, 199205861, 398411722]

約数ペア:

[(1, 398411722), (2, 199205861), (19, 20969038), (38, 10484519), (1009, 394858), (2018, 197429), (10391, 38342), (19171, 20782)]