19833345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 20002815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 797, 1185, 1659, 2391, 2765, 3555, 3985, 4977, 5579, 7173, 8295, 11955, 16737, 24885, 27895, 35865, 50211, 62963, 83685, 188889, 251055, 314815, 440741, 566667, 944445, 1322223, 2203705, 2833335, 3966669, 6611115, 19833345]

約数ペア:

[(1, 19833345), (3, 6611115), (5, 3966669), (7, 2833335), (9, 2203705), (15, 1322223), (21, 944445), (35, 566667), (45, 440741), (63, 314815), (79, 251055), (105, 188889), (237, 83685), (315, 62963), (395, 50211), (553, 35865), (711, 27895), (797, 24885), (1185, 16737), (1659, 11955), (2391, 8295), (2765, 7173), (3555, 5579), (3985, 4977)]