18756772

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 33840576

約数和(自身を除く): 15083804

約数列:

[1, 2, 4, 43, 86, 167, 172, 334, 653, 668, 1306, 2612, 7181, 14362, 28079, 28724, 56158, 109051, 112316, 218102, 436204, 4689193, 9378386, 18756772]

約数ペア:

[(1, 18756772), (2, 9378386), (4, 4689193), (43, 436204), (86, 218102), (167, 112316), (172, 109051), (334, 56158), (653, 28724), (668, 28079), (1306, 14362), (2612, 7181)]