18867361

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 20554240

約数和(自身を除く): 1686879

約数列:

[1, 19, 61, 73, 223, 1159, 1387, 4237, 4453, 13603, 16279, 84607, 258457, 309301, 993019, 18867361]

約数ペア:

[(1, 18867361), (19, 993019), (61, 309301), (73, 258457), (223, 84607), (1159, 16279), (1387, 13603), (4237, 4453)]