18863590

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19447}}^1$

素因数の和:19551

約数の個数: 16

約数和(自身を含む): 34306272

約数和(自身を除く): 15442682

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 19447, 38894, 97235, 194470, 1886359, 3772718, 9431795, 18863590]

約数ペア:

[(1, 18863590), (2, 9431795), (5, 3772718), (10, 1886359), (97, 194470), (194, 97235), (485, 38894), (970, 19447)]