18444719480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1\times {\mathrm{1489}}^1$

素因数の和:2157

約数の個数: 128

約数和(自身を含む): 46344960000

約数和(自身を除く): 27900240520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 599, 940, 1034, 1198, 1489, 1880, 2068, 2396, 2585, 2978, 2995, 4136, 4792, 5170, 5956, 5990, 6589, 7445, 10340, 11912, 11980, 13178, 14890, 16379, 20680, 23960, 26356, 28153, 29780, 32758, 32945, 52712, 56306, 59560, 65516, 65890, 69983, 81895, 112612, 131032, 131780, 139966, 140765, 163790, 225224, 263560, 279932, 281530, 309683, 327580, 349915, 559864, 563060, 619366, 655160, 699830, 769813, 891911, 1126120, 1238732, 1399660, 1539626, 1548415, 1783822, 2477464, 2799320, 3079252, 3096830, 3567644, 3849065, 4459555, 6158504, 6193660, 7135288, 7698130, 8919110, 9811021, 12387320, 15396260, 17838220, 19622042, 30792520, 35676440, 39244084, 41919817, 49055105, 78488168, 83839634, 98110210, 167679268, 196220420, 209599085, 335358536, 392440840, 419198170, 461117987, 838396340, 922235974, 1676792680, 1844471948, 2305589935, 3688943896, 4611179870, 9222359740, 18444719480]

約数ペア:

[(1, 18444719480), (2, 9222359740), (4, 4611179870), (5, 3688943896), (8, 2305589935), (10, 1844471948), (11, 1676792680), (20, 922235974), (22, 838396340), (40, 461117987), (44, 419198170), (47, 392440840), (55, 335358536), (88, 209599085), (94, 196220420), (110, 167679268), (188, 98110210), (220, 83839634), (235, 78488168), (376, 49055105), (440, 41919817), (470, 39244084), (517, 35676440), (599, 30792520), (940, 19622042), (1034, 17838220), (1198, 15396260), (1489, 12387320), (1880, 9811021), (2068, 8919110), (2396, 7698130), (2585, 7135288), (2978, 6193660), (2995, 6158504), (4136, 4459555), (4792, 3849065), (5170, 3567644), (5956, 3096830), (5990, 3079252), (6589, 2799320), (7445, 2477464), (10340, 1783822), (11912, 1548415), (11980, 1539626), (13178, 1399660), (14890, 1238732), (16379, 1126120), (20680, 891911), (23960, 769813), (26356, 699830), (28153, 655160), (29780, 619366), (32758, 563060), (32945, 559864), (52712, 349915), (56306, 327580), (59560, 309683), (65516, 281530), (65890, 279932), (69983, 263560), (81895, 225224), (112612, 163790), (131032, 140765), (131780, 139966)]