19165795

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 25663680

約数和(自身を除く): 6497885

約数列:

[1, 5, 11, 55, 79, 121, 395, 401, 605, 869, 2005, 4345, 4411, 9559, 22055, 31679, 47795, 48521, 158395, 242605, 348469, 1742345, 3833159, 19165795]

約数ペア:

[(1, 19165795), (5, 3833159), (11, 1742345), (55, 348469), (79, 242605), (121, 158395), (395, 48521), (401, 47795), (605, 31679), (869, 22055), (2005, 9559), (4345, 4411)]