18650520075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{1999}}^1$

素因数の和:2329

約数の個数: 96

約数和(自身を含む): 34569216000

約数和(自身を除く): 15918695925

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 263, 275, 473, 645, 789, 825, 1075, 1315, 1419, 1999, 2365, 2893, 3225, 3945, 5997, 6575, 7095, 8679, 9995, 11309, 11825, 14465, 19725, 21989, 29985, 33927, 35475, 43395, 49975, 56545, 65967, 72325, 85957, 109945, 124399, 149925, 169635, 216975, 257871, 282725, 329835, 373197, 429785, 525737, 549725, 621995, 848175, 945527, 1289355, 1577211, 1649175, 1865985, 2148925, 2628685, 2836581, 3109975, 4727635, 5783107, 6446775, 7886055, 9329925, 13143425, 14182905, 17349321, 22606691, 23638175, 28915535, 39430275, 67820073, 70914525, 86746605, 113033455, 144577675, 248673601, 339100365, 433733025, 565167275, 746020803, 1243368005, 1695501825, 3730104015, 6216840025, 18650520075]

約数ペア:

[(1, 18650520075), (3, 6216840025), (5, 3730104015), (11, 1695501825), (15, 1243368005), (25, 746020803), (33, 565167275), (43, 433733025), (55, 339100365), (75, 248673601), (129, 144577675), (165, 113033455), (215, 86746605), (263, 70914525), (275, 67820073), (473, 39430275), (645, 28915535), (789, 23638175), (825, 22606691), (1075, 17349321), (1315, 14182905), (1419, 13143425), (1999, 9329925), (2365, 7886055), (2893, 6446775), (3225, 5783107), (3945, 4727635), (5997, 3109975), (6575, 2836581), (7095, 2628685), (8679, 2148925), (9995, 1865985), (11309, 1649175), (11825, 1577211), (14465, 1289355), (19725, 945527), (21989, 848175), (29985, 621995), (33927, 549725), (35475, 525737), (43395, 429785), (49975, 373197), (56545, 329835), (65967, 282725), (72325, 257871), (85957, 216975), (109945, 169635), (124399, 149925)]