18143379.000000000

素因数分解:

$2^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{5279}}^1$

素因数の和:6281

約数の個数: 24

約数和(自身を含む): 293314560

約数和(自身を除く): 146832868

約数列:

[1, 2, 4, 7, 14, 28, 991, 1982, 3964, 5279, 6937, 10558, 13874, 21116, 27748, 36953, 73906, 147812, 5231489, 10462978, 20925956, 36620423, 73240846, 146481692]

約数ペア:

[(1, 146481692), (2, 73240846), (4, 36620423), (7, 20925956), (14, 10462978), (28, 5231489), (991, 147812), (1982, 73906), (3964, 36953), (5279, 27748), (6937, 21116), (10558, 13874)]