19100225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 25296000

約数和(自身を除く): 6195775

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 509, 1501, 1975, 2545, 7505, 9671, 12725, 37525, 40211, 48355, 201055, 241775, 764009, 1005275, 3820045, 19100225]

約数ペア:

[(1, 19100225), (5, 3820045), (19, 1005275), (25, 764009), (79, 241775), (95, 201055), (395, 48355), (475, 40211), (509, 37525), (1501, 12725), (1975, 9671), (2545, 7505)]