18920542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13457}}^1$

素因数の和:13515

約数の個数: 16

約数和(自身を含む): 30684240

約数和(自身を除く): 11763698

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 13457, 26914, 255683, 497909, 511366, 995818, 9460271, 18920542]

約数ペア:

[(1, 18920542), (2, 9460271), (19, 995818), (37, 511366), (38, 497909), (74, 255683), (703, 26914), (1406, 13457)]