19903104

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 63403200

約数和(自身を除く): 43500096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 416, 432, 443, 468, 576, 624, 702, 832, 864, 886, 936, 1152, 1248, 1329, 1404, 1664, 1728, 1772, 1872, 2496, 2658, 2808, 3456, 3544, 3744, 3987, 4992, 5316, 5616, 5759, 7088, 7488, 7974, 10632, 11232, 11518, 11961, 14176, 14976, 15948, 17277, 21264, 22464, 23036, 23922, 28352, 31896, 34554, 42528, 44928, 46072, 47844, 51831, 56704, 63792, 69108, 85056, 92144, 95688, 103662, 127584, 138216, 155493, 170112, 184288, 191376, 207324, 255168, 276432, 310986, 368576, 382752, 414648, 510336, 552864, 621972, 737152, 765504, 829296, 1105728, 1243944, 1531008, 1658592, 2211456, 2487888, 3317184, 4975776, 6634368, 9951552, 19903104]

約数ペア:

[(1, 19903104), (2, 9951552), (3, 6634368), (4, 4975776), (6, 3317184), (8, 2487888), (9, 2211456), (12, 1658592), (13, 1531008), (16, 1243944), (18, 1105728), (24, 829296), (26, 765504), (27, 737152), (32, 621972), (36, 552864), (39, 510336), (48, 414648), (52, 382752), (54, 368576), (64, 310986), (72, 276432), (78, 255168), (96, 207324), (104, 191376), (108, 184288), (117, 170112), (128, 155493), (144, 138216), (156, 127584), (192, 103662), (208, 95688), (216, 92144), (234, 85056), (288, 69108), (312, 63792), (351, 56704), (384, 51831), (416, 47844), (432, 46072), (443, 44928), (468, 42528), (576, 34554), (624, 31896), (702, 28352), (832, 23922), (864, 23036), (886, 22464), (936, 21264), (1152, 17277), (1248, 15948), (1329, 14976), (1404, 14176), (1664, 11961), (1728, 11518), (1772, 11232), (1872, 10632), (2496, 7974), (2658, 7488), (2808, 7088), (3456, 5759), (3544, 5616), (3744, 5316), (3987, 4992)]