18838490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15569}}^1$

素因数の和:15598

約数の個数: 24

約数和(自身を含む): 37274580

約数和(自身を除く): 18436090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15569, 31138, 77845, 155690, 171259, 342518, 856295, 1712590, 1883849, 3767698, 9419245, 18838490]

約数ペア:

[(1, 18838490), (2, 9419245), (5, 3767698), (10, 1883849), (11, 1712590), (22, 856295), (55, 342518), (110, 171259), (121, 155690), (242, 77845), (605, 31138), (1210, 15569)]