19864072

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{85621}}^1$

素因数の和:85656

約数の個数: 16

約数和(自身を含む): 38529900

約数和(自身を除く): 18665828

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 85621, 171242, 342484, 684968, 2483009, 4966018, 9932036, 19864072]

約数ペア:

[(1, 19864072), (2, 9932036), (4, 4966018), (8, 2483009), (29, 684968), (58, 342484), (116, 171242), (232, 85621)]