19539345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 16356975

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 379, 491, 1137, 1473, 1895, 2455, 2653, 3437, 5685, 7365, 7959, 10311, 13265, 17185, 39795, 51555, 186089, 558267, 930445, 1302623, 2791335, 3907869, 6513115, 19539345]

約数ペア:

[(1, 19539345), (3, 6513115), (5, 3907869), (7, 2791335), (15, 1302623), (21, 930445), (35, 558267), (105, 186089), (379, 51555), (491, 39795), (1137, 17185), (1473, 13265), (1895, 10311), (2455, 7959), (2653, 7365), (3437, 5685)]