19321775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4133}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 27681264

約数和(自身を除く): 8359489

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4133, 4675, 20665, 45463, 70261, 103325, 227315, 351305, 772871, 1136575, 1756525, 3864355, 19321775]

約数ペア:

[(1, 19321775), (5, 3864355), (11, 1756525), (17, 1136575), (25, 772871), (55, 351305), (85, 227315), (187, 103325), (275, 70261), (425, 45463), (935, 20665), (4133, 4675)]