18486860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132049}}^1$

素因数の和:132065

約数の個数: 24

約数和(自身を含む): 44368800

約数和(自身を除く): 25881940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132049, 264098, 528196, 660245, 924343, 1320490, 1848686, 2640980, 3697372, 4621715, 9243430, 18486860]

約数ペア:

[(1, 18486860), (2, 9243430), (4, 4621715), (5, 3697372), (7, 2640980), (10, 1848686), (14, 1320490), (20, 924343), (28, 660245), (35, 528196), (70, 264098), (140, 132049)]