18275180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11867}}^1$

素因数の和:11894

約数の個数: 48

約数和(自身を含む): 47851776

約数和(自身を除く): 29576596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11867, 23734, 47468, 59335, 83069, 118670, 130537, 166138, 237340, 261074, 332276, 415345, 522148, 652685, 830690, 913759, 1305370, 1661380, 1827518, 2610740, 3655036, 4568795, 9137590, 18275180]

約数ペア:

[(1, 18275180), (2, 9137590), (4, 4568795), (5, 3655036), (7, 2610740), (10, 1827518), (11, 1661380), (14, 1305370), (20, 913759), (22, 830690), (28, 652685), (35, 522148), (44, 415345), (55, 332276), (70, 261074), (77, 237340), (110, 166138), (140, 130537), (154, 118670), (220, 83069), (308, 59335), (385, 47468), (770, 23734), (1540, 11867)]