18889310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 38093328

約数和(自身を除く): 19204018

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 121, 134, 233, 242, 335, 466, 605, 670, 737, 1165, 1210, 1474, 2330, 2563, 3685, 5126, 7370, 8107, 12815, 15611, 16214, 25630, 28193, 31222, 40535, 56386, 78055, 81070, 140965, 156110, 171721, 281930, 343442, 858605, 1717210, 1888931, 3777862, 9444655, 18889310]

約数ペア:

[(1, 18889310), (2, 9444655), (5, 3777862), (10, 1888931), (11, 1717210), (22, 858605), (55, 343442), (67, 281930), (110, 171721), (121, 156110), (134, 140965), (233, 81070), (242, 78055), (335, 56386), (466, 40535), (605, 31222), (670, 28193), (737, 25630), (1165, 16214), (1210, 15611), (1474, 12815), (2330, 8107), (2563, 7370), (3685, 5126)]