19676785

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 25915392

約数和(自身を除く): 6238607

約数列:

[1, 5, 31, 37, 47, 73, 155, 185, 235, 365, 1147, 1457, 1739, 2263, 2701, 3431, 5735, 7285, 8695, 11315, 13505, 17155, 53909, 83731, 106361, 126947, 269545, 418655, 531805, 634735, 3935357, 19676785]

約数ペア:

[(1, 19676785), (5, 3935357), (31, 634735), (37, 531805), (47, 418655), (73, 269545), (155, 126947), (185, 106361), (235, 83731), (365, 53909), (1147, 17155), (1457, 13505), (1739, 11315), (2263, 8695), (2701, 7285), (3431, 5735)]