19390378

素因数分解:

$2^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{821}}^1$

素因数の和:1078

約数の個数: 24

約数和(自身を含む): 34016004

約数和(自身を除く): 14625626

約数列:

[1, 2, 7, 14, 49, 98, 241, 482, 821, 1642, 1687, 3374, 5747, 11494, 11809, 23618, 40229, 80458, 197861, 395722, 1385027, 2770054, 9695189, 19390378]

約数ペア:

[(1, 19390378), (2, 9695189), (7, 2770054), (14, 1385027), (49, 395722), (98, 197861), (241, 80458), (482, 40229), (821, 23618), (1642, 11809), (1687, 11494), (3374, 5747)]