18121478

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 28713840

約数和(自身を除く): 10592362

約数列:

[1, 2, 19, 38, 361, 722, 1321, 2642, 6859, 13718, 25099, 50198, 476881, 953762, 9060739, 18121478]

約数ペア:

[(1, 18121478), (2, 9060739), (19, 953762), (38, 476881), (361, 50198), (722, 25099), (1321, 13718), (2642, 6859)]