1921007016

素因数分解:

$2^3\times 3^4\times {\mathrm{1483}}^1\times {\mathrm{1999}}^1$

素因数の和:3500

約数の個数: 80

約数和(自身を含む): 5386920000

約数和(自身を除く): 3465912984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1483, 1999, 2966, 3998, 4449, 5932, 5997, 7996, 8898, 11864, 11994, 13347, 15992, 17796, 17991, 23988, 26694, 35592, 35982, 40041, 47976, 53388, 53973, 71964, 80082, 106776, 107946, 120123, 143928, 160164, 161919, 215892, 240246, 320328, 323838, 431784, 480492, 647676, 960984, 1295352, 2964517, 5929034, 8893551, 11858068, 17787102, 23716136, 26680653, 35574204, 53361306, 71148408, 80041959, 106722612, 160083918, 213445224, 240125877, 320167836, 480251754, 640335672, 960503508, 1921007016]

約数ペア:

[(1, 1921007016), (2, 960503508), (3, 640335672), (4, 480251754), (6, 320167836), (8, 240125877), (9, 213445224), (12, 160083918), (18, 106722612), (24, 80041959), (27, 71148408), (36, 53361306), (54, 35574204), (72, 26680653), (81, 23716136), (108, 17787102), (162, 11858068), (216, 8893551), (324, 5929034), (648, 2964517), (1483, 1295352), (1999, 960984), (2966, 647676), (3998, 480492), (4449, 431784), (5932, 323838), (5997, 320328), (7996, 240246), (8898, 215892), (11864, 161919), (11994, 160164), (13347, 143928), (15992, 120123), (17796, 107946), (17991, 106776), (23988, 80082), (26694, 71964), (35592, 53973), (35982, 53388), (40041, 47976)]