19759411

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 5584589

約数列:

[1, 7, 19, 29, 47, 109, 133, 203, 329, 551, 763, 893, 1363, 2071, 3161, 3857, 5123, 6251, 9541, 14497, 22127, 25897, 35861, 60059, 97337, 148567, 181279, 420413, 681359, 1039969, 2822773, 19759411]

約数ペア:

[(1, 19759411), (7, 2822773), (19, 1039969), (29, 681359), (47, 420413), (109, 181279), (133, 148567), (203, 97337), (329, 60059), (551, 35861), (763, 25897), (893, 22127), (1363, 14497), (2071, 9541), (3161, 6251), (3857, 5123)]