19386620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8011}}^1$

素因数の和:8042

約数の個数: 36

約数和(自身を含む): 44755032

約数和(自身を除く): 25368412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8011, 16022, 32044, 40055, 80110, 88121, 160220, 176242, 352484, 440605, 881210, 969331, 1762420, 1938662, 3877324, 4846655, 9693310, 19386620]

約数ペア:

[(1, 19386620), (2, 9693310), (4, 4846655), (5, 3877324), (10, 1938662), (11, 1762420), (20, 969331), (22, 881210), (44, 440605), (55, 352484), (110, 176242), (121, 160220), (220, 88121), (242, 80110), (484, 40055), (605, 32044), (1210, 16022), (2420, 8011)]