19082525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 30855168

約数和(自身を除く): 11772643

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 431, 575, 805, 1265, 1771, 1925, 2155, 3017, 4025, 4741, 6325, 8855, 9913, 10775, 15085, 23705, 33187, 44275, 49565, 69391, 75425, 109043, 118525, 165935, 247825, 346955, 545215, 763301, 829675, 1734775, 2726075, 3816505, 19082525]

約数ペア:

[(1, 19082525), (5, 3816505), (7, 2726075), (11, 1734775), (23, 829675), (25, 763301), (35, 545215), (55, 346955), (77, 247825), (115, 165935), (161, 118525), (175, 109043), (253, 75425), (275, 69391), (385, 49565), (431, 44275), (575, 33187), (805, 23705), (1265, 15085), (1771, 10775), (1925, 9913), (2155, 8855), (3017, 6325), (4025, 4741)]