19695466

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 15584534

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 349, 406, 698, 973, 1946, 2443, 4031, 4886, 8062, 10121, 20242, 28217, 48511, 56434, 70847, 97022, 141694, 339577, 679154, 1406819, 2813638, 9847733, 19695466]

約数ペア:

[(1, 19695466), (2, 9847733), (7, 2813638), (14, 1406819), (29, 679154), (58, 339577), (139, 141694), (203, 97022), (278, 70847), (349, 56434), (406, 48511), (698, 28217), (973, 20242), (1946, 10121), (2443, 8062), (4031, 4886)]