18807942775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{29483}}^1$

素因数の和:29608

約数の個数: 48

約数和(自身を含む): 26323315200

約数和(自身を除く): 7515372425

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 323, 395, 425, 475, 1343, 1501, 1615, 1975, 6715, 7505, 8075, 25517, 29483, 33575, 37525, 127585, 147415, 501211, 560177, 637925, 737075, 2329157, 2506055, 2800885, 9523009, 11645785, 12530275, 14004425, 39595669, 44253983, 47615045, 58228925, 197978345, 221269915, 238075225, 752317711, 989891725, 1106349575, 3761588555, 18807942775]

約数ペア:

[(1, 18807942775), (5, 3761588555), (17, 1106349575), (19, 989891725), (25, 752317711), (79, 238075225), (85, 221269915), (95, 197978345), (323, 58228925), (395, 47615045), (425, 44253983), (475, 39595669), (1343, 14004425), (1501, 12530275), (1615, 11645785), (1975, 9523009), (6715, 2800885), (7505, 2506055), (8075, 2329157), (25517, 737075), (29483, 637925), (33575, 560177), (37525, 501211), (127585, 147415)]