19963695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 14319825

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 991, 1185, 1343, 2973, 4029, 4955, 6715, 14865, 16847, 20145, 50541, 78289, 84235, 234867, 252705, 391445, 1174335, 1330913, 3992739, 6654565, 19963695]

約数ペア:

[(1, 19963695), (3, 6654565), (5, 3992739), (15, 1330913), (17, 1174335), (51, 391445), (79, 252705), (85, 234867), (237, 84235), (255, 78289), (395, 50541), (991, 20145), (1185, 16847), (1343, 14865), (2973, 6715), (4029, 4955)]