19443837

素因数分解:

$3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 30324000

約数和(自身を除く): 10880163

約数列:

[1, 3, 7, 21, 49, 147, 349, 379, 1047, 1137, 2443, 2653, 7329, 7959, 17101, 18571, 51303, 55713, 132271, 396813, 925897, 2777691, 6481279, 19443837]

約数ペア:

[(1, 19443837), (3, 6481279), (7, 2777691), (21, 925897), (49, 396813), (147, 132271), (349, 55713), (379, 51303), (1047, 18571), (1137, 17101), (2443, 7959), (2653, 7329)]