18875984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2447

約数の個数: 40

約数和(自身を含む): 40075560

約数和(自身を除く): 21199576

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2393, 3944, 4786, 7888, 9572, 19144, 38288, 40681, 69397, 81362, 138794, 162724, 277588, 325448, 555176, 650896, 1110352, 1179749, 2359498, 4718996, 9437992, 18875984]

約数ペア:

[(1, 18875984), (2, 9437992), (4, 4718996), (8, 2359498), (16, 1179749), (17, 1110352), (29, 650896), (34, 555176), (58, 325448), (68, 277588), (116, 162724), (136, 138794), (232, 81362), (272, 69397), (464, 40681), (493, 38288), (986, 19144), (1972, 9572), (2393, 7888), (3944, 4786)]