2019804878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{209393}}^1$

素因数の和:209468

約数の個数: 32

約数和(自身を含む): 3799244736

約数和(自身を除く): 1779439858

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 4823, 9646, 209393, 418786, 1465751, 2722109, 2931502, 5444218, 11097829, 19054763, 22195658, 38109526, 77684803, 144271777, 155369606, 288543554, 1009902439, 2019804878]

約数ペア:

[(1, 2019804878), (2, 1009902439), (7, 288543554), (13, 155369606), (14, 144271777), (26, 77684803), (53, 38109526), (91, 22195658), (106, 19054763), (182, 11097829), (371, 5444218), (689, 2931502), (742, 2722109), (1378, 1465751), (4823, 418786), (9646, 209393)]