19989144

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2369

約数の個数: 96

約数和(自身を含む): 65538720

約数和(自身を除く): 45549576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2333, 2856, 4284, 4666, 6999, 8568, 9332, 13998, 16331, 18664, 20997, 27996, 32662, 39661, 41994, 48993, 55992, 65324, 79322, 83988, 97986, 118983, 130648, 146979, 158644, 167976, 195972, 237966, 277627, 293958, 317288, 356949, 391944, 475932, 555254, 587916, 713898, 832881, 951864, 1110508, 1175832, 1427796, 1665762, 2221016, 2498643, 2855592, 3331524, 4997286, 6663048, 9994572, 19989144]

約数ペア:

[(1, 19989144), (2, 9994572), (3, 6663048), (4, 4997286), (6, 3331524), (7, 2855592), (8, 2498643), (9, 2221016), (12, 1665762), (14, 1427796), (17, 1175832), (18, 1110508), (21, 951864), (24, 832881), (28, 713898), (34, 587916), (36, 555254), (42, 475932), (51, 391944), (56, 356949), (63, 317288), (68, 293958), (72, 277627), (84, 237966), (102, 195972), (119, 167976), (126, 158644), (136, 146979), (153, 130648), (168, 118983), (204, 97986), (238, 83988), (252, 79322), (306, 65324), (357, 55992), (408, 48993), (476, 41994), (504, 39661), (612, 32662), (714, 27996), (952, 20997), (1071, 18664), (1224, 16331), (1428, 13998), (2142, 9332), (2333, 8568), (2856, 6999), (4284, 4666)]