19522880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:81

約数の個数: 126

約数和(自身を含む): 53128926

約数和(自身を除く): 33606046

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 320, 338, 361, 380, 416, 494, 520, 608, 676, 722, 760, 832, 845, 988, 1040, 1216, 1235, 1352, 1444, 1520, 1690, 1805, 1976, 2080, 2470, 2704, 2888, 3040, 3211, 3380, 3610, 3952, 4160, 4693, 4940, 5408, 5776, 6080, 6422, 6760, 7220, 7904, 9386, 9880, 10816, 11552, 12844, 13520, 14440, 15808, 16055, 18772, 19760, 23104, 23465, 25688, 27040, 28880, 32110, 37544, 39520, 46930, 51376, 54080, 57760, 61009, 64220, 75088, 79040, 93860, 102752, 115520, 122018, 128440, 150176, 187720, 205504, 244036, 256880, 300352, 305045, 375440, 488072, 513760, 610090, 750880, 976144, 1027520, 1220180, 1501760, 1952288, 2440360, 3904576, 4880720, 9761440, 19522880]

約数ペア:

[(1, 19522880), (2, 9761440), (4, 4880720), (5, 3904576), (8, 2440360), (10, 1952288), (13, 1501760), (16, 1220180), (19, 1027520), (20, 976144), (26, 750880), (32, 610090), (38, 513760), (40, 488072), (52, 375440), (64, 305045), (65, 300352), (76, 256880), (80, 244036), (95, 205504), (104, 187720), (130, 150176), (152, 128440), (160, 122018), (169, 115520), (190, 102752), (208, 93860), (247, 79040), (260, 75088), (304, 64220), (320, 61009), (338, 57760), (361, 54080), (380, 51376), (416, 46930), (494, 39520), (520, 37544), (608, 32110), (676, 28880), (722, 27040), (760, 25688), (832, 23465), (845, 23104), (988, 19760), (1040, 18772), (1216, 16055), (1235, 15808), (1352, 14440), (1444, 13520), (1520, 12844), (1690, 11552), (1805, 10816), (1976, 9880), (2080, 9386), (2470, 7904), (2704, 7220), (2888, 6760), (3040, 6422), (3211, 6080), (3380, 5776), (3610, 5408), (3952, 4940), (4160, 4693)]