19622491

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 23876160

約数和(自身を除く): 4253669

約数列:

[1, 7, 43, 49, 67, 139, 301, 469, 973, 2107, 2881, 3283, 5977, 6811, 9313, 20167, 41839, 65191, 141169, 292873, 400459, 456337, 2803213, 19622491]

約数ペア:

[(1, 19622491), (7, 2803213), (43, 456337), (49, 400459), (67, 292873), (139, 141169), (301, 65191), (469, 41839), (973, 20167), (2107, 9313), (2881, 6811), (3283, 5977)]