19138287

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{24631}}^1$

素因数の和:24678

約数の個数: 16

約数和(自身を含む): 29952512

約数和(自身を除く): 10814225

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 24631, 73893, 172417, 517251, 911347, 2734041, 6379429, 19138287]

約数ペア:

[(1, 19138287), (3, 6379429), (7, 2734041), (21, 911347), (37, 517251), (111, 172417), (259, 73893), (777, 24631)]