19015288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 36812160

約数和(自身を除く): 17796872

約数列:

[1, 2, 4, 8, 43, 86, 167, 172, 331, 334, 344, 662, 668, 1324, 1336, 2648, 7181, 14233, 14362, 28466, 28724, 55277, 56932, 57448, 110554, 113864, 221108, 442216, 2376911, 4753822, 9507644, 19015288]

約数ペア:

[(1, 19015288), (2, 9507644), (4, 4753822), (8, 2376911), (43, 442216), (86, 221108), (167, 113864), (172, 110554), (331, 57448), (334, 56932), (344, 55277), (662, 28724), (668, 28466), (1324, 14362), (1336, 14233), (2648, 7181)]