19956457584

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{238531}}^1$

素因数の和:238635

約数の個数: 120

約数和(自身を含む): 64598282112

約数和(自身を除く): 44641824528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 83, 84, 112, 126, 144, 166, 168, 249, 252, 332, 336, 498, 504, 581, 664, 747, 996, 1008, 1162, 1328, 1494, 1743, 1992, 2324, 2988, 3486, 3984, 4648, 5229, 5976, 6972, 9296, 10458, 11952, 13944, 20916, 27888, 41832, 83664, 238531, 477062, 715593, 954124, 1431186, 1669717, 1908248, 2146779, 2862372, 3339434, 3816496, 4293558, 5009151, 5724744, 6678868, 8587116, 10018302, 11449488, 13357736, 15027453, 17174232, 19798073, 20036604, 26715472, 30054906, 34348464, 39596146, 40073208, 59394219, 60109812, 79192292, 80146416, 118788438, 120219624, 138586511, 158384584, 178182657, 237576876, 240439248, 277173022, 316769168, 356365314, 415759533, 475153752, 554346044, 712730628, 831519066, 950307504, 1108692088, 1247278599, 1425461256, 1663038132, 2217384176, 2494557198, 2850922512, 3326076264, 4989114396, 6652152528, 9978228792, 19956457584]

約数ペア:

[(1, 19956457584), (2, 9978228792), (3, 6652152528), (4, 4989114396), (6, 3326076264), (7, 2850922512), (8, 2494557198), (9, 2217384176), (12, 1663038132), (14, 1425461256), (16, 1247278599), (18, 1108692088), (21, 950307504), (24, 831519066), (28, 712730628), (36, 554346044), (42, 475153752), (48, 415759533), (56, 356365314), (63, 316769168), (72, 277173022), (83, 240439248), (84, 237576876), (112, 178182657), (126, 158384584), (144, 138586511), (166, 120219624), (168, 118788438), (249, 80146416), (252, 79192292), (332, 60109812), (336, 59394219), (498, 40073208), (504, 39596146), (581, 34348464), (664, 30054906), (747, 26715472), (996, 20036604), (1008, 19798073), (1162, 17174232), (1328, 15027453), (1494, 13357736), (1743, 11449488), (1992, 10018302), (2324, 8587116), (2988, 6678868), (3486, 5724744), (3984, 5009151), (4648, 4293558), (5229, 3816496), (5976, 3339434), (6972, 2862372), (9296, 2146779), (10458, 1908248), (11952, 1669717), (13944, 1431186), (20916, 954124), (27888, 715593), (41832, 477062), (83664, 238531)]