18386060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11939}}^1$

素因数の和:11966

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 29756020

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, 11939, 23878, 47756, 59695, 83573, 119390, 131329, 167146, 238780, 262658, 334292, 417865, 525316, 656645, 835730, 919303, 1313290, 1671460, 1838606, 2626580, 3677212, 4596515, 9193030, 18386060]

約数ペア:

[(1, 18386060), (2, 9193030), (4, 4596515), (5, 3677212), (7, 2626580), (10, 1838606), (11, 1671460), (14, 1313290), (20, 919303), (22, 835730), (28, 656645), (35, 525316), (44, 417865), (55, 334292), (70, 262658), (77, 238780), (110, 167146), (140, 131329), (154, 119390), (220, 83573), (308, 59695), (385, 47756), (770, 23878), (1540, 11939)]