18129918

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{70271}}^1$

素因数の和:70319

約数の個数: 16

約数和(自身を含む): 37103616

約数和(自身を除く): 18973698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 70271, 140542, 210813, 421626, 3021653, 6043306, 9064959, 18129918]

約数ペア:

[(1, 18129918), (2, 9064959), (3, 6043306), (6, 3021653), (43, 421626), (86, 210813), (129, 140542), (258, 70271)]