19308505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2976

約数の個数: 16

約数和(自身を含む): 24482304

約数和(自身を除く): 5173799

約数列:

[1, 5, 31, 43, 155, 215, 1333, 2897, 6665, 14485, 89807, 124571, 449035, 622855, 3861701, 19308505]

約数ペア:

[(1, 19308505), (5, 3861701), (31, 622855), (43, 449035), (155, 124571), (215, 89807), (1333, 14485), (2897, 6665)]