18209180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2294

約数の個数: 48

約数和(自身を含む): 42862176

約数和(自身を除く): 24652996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2237, 4070, 4474, 8140, 8948, 11185, 22370, 24607, 44740, 49214, 82769, 98428, 123035, 165538, 246070, 331076, 413845, 492140, 827690, 910459, 1655380, 1820918, 3641836, 4552295, 9104590, 18209180]

約数ペア:

[(1, 18209180), (2, 9104590), (4, 4552295), (5, 3641836), (10, 1820918), (11, 1655380), (20, 910459), (22, 827690), (37, 492140), (44, 413845), (55, 331076), (74, 246070), (110, 165538), (148, 123035), (185, 98428), (220, 82769), (370, 49214), (407, 44740), (740, 24607), (814, 22370), (1628, 11185), (2035, 8948), (2237, 8140), (4070, 4474)]