18536140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4271}}^1$

素因数の和:4318

約数の個数: 48

約数和(自身を含む): 45932544

約数和(自身を除く): 27396404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4271, 4340, 8542, 17084, 21355, 29897, 42710, 59794, 85420, 119588, 132401, 149485, 264802, 298970, 529604, 597940, 662005, 926807, 1324010, 1853614, 2648020, 3707228, 4634035, 9268070, 18536140]

約数ペア:

[(1, 18536140), (2, 9268070), (4, 4634035), (5, 3707228), (7, 2648020), (10, 1853614), (14, 1324010), (20, 926807), (28, 662005), (31, 597940), (35, 529604), (62, 298970), (70, 264802), (124, 149485), (140, 132401), (155, 119588), (217, 85420), (310, 59794), (434, 42710), (620, 29897), (868, 21355), (1085, 17084), (2170, 8542), (4271, 4340)]