19425651

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5347}}^1$

素因数の和:5530

約数の個数: 16

約数和(自身を含む): 29777664

約数和(自身を除く): 10352013

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5347, 16041, 37429, 112287, 925031, 2775093, 6475217, 19425651]

約数ペア:

[(1, 19425651), (3, 6475217), (7, 2775093), (21, 925031), (173, 112287), (519, 37429), (1211, 16041), (3633, 5347)]