19896275

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 10101805

約数列:

[1, 5, 7, 25, 35, 41, 47, 59, 175, 205, 235, 287, 295, 329, 413, 1025, 1175, 1435, 1475, 1645, 1927, 2065, 2419, 2773, 7175, 8225, 9635, 10325, 12095, 13489, 13865, 16933, 19411, 48175, 60475, 67445, 69325, 84665, 97055, 113693, 337225, 423325, 485275, 568465, 795851, 2842325, 3979255, 19896275]

約数ペア:

[(1, 19896275), (5, 3979255), (7, 2842325), (25, 795851), (35, 568465), (41, 485275), (47, 423325), (59, 337225), (175, 113693), (205, 97055), (235, 84665), (287, 69325), (295, 67445), (329, 60475), (413, 48175), (1025, 19411), (1175, 16933), (1435, 13865), (1475, 13489), (1645, 12095), (1927, 10325), (2065, 9635), (2419, 8225), (2773, 7175)]