18713686

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1303}}^1$

素因数の和:1515

約数の個数: 16

約数和(自身を含む): 28917504

約数和(自身を除く): 10203818

約数列:

[1, 2, 43, 86, 167, 334, 1303, 2606, 7181, 14362, 56029, 112058, 217601, 435202, 9356843, 18713686]

約数ペア:

[(1, 18713686), (2, 9356843), (43, 435202), (86, 217601), (167, 112058), (334, 56029), (1303, 14362), (2606, 7181)]