19690789525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{2281}}^1\times {\mathrm{31391}}^1$

素因数の和:33693

約数の個数: 24

約数和(自身を含む): 26648794368

約数和(自身を除く): 6958004843

約数列:

[1, 5, 11, 25, 55, 275, 2281, 11405, 25091, 31391, 57025, 125455, 156955, 345301, 627275, 784775, 1726505, 8632525, 71602871, 358014355, 787631581, 1790071775, 3938157905, 19690789525]

約数ペア:

[(1, 19690789525), (5, 3938157905), (11, 1790071775), (25, 787631581), (55, 358014355), (275, 71602871), (2281, 8632525), (11405, 1726505), (25091, 784775), (31391, 627275), (57025, 345301), (125455, 156955)]