18722121276

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{85447}}^1$

素因数の和:85535

約数の個数: 72

約数和(自身を含む): 47515923840

約数和(自身を除く): 28793802564

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 961, 1178, 1767, 1922, 2356, 2883, 3534, 3844, 5766, 7068, 11532, 18259, 36518, 54777, 73036, 85447, 109554, 170894, 219108, 256341, 341788, 512682, 1025364, 1623493, 2648857, 3246986, 4870479, 5297714, 6493972, 7946571, 9740958, 10595428, 15893142, 19481916, 31786284, 50328283, 82114567, 100656566, 150984849, 164229134, 201313132, 246343701, 301969698, 328458268, 492687402, 603939396, 985374804, 1560176773, 3120353546, 4680530319, 6240707092, 9361060638, 18722121276]

約数ペア:

[(1, 18722121276), (2, 9361060638), (3, 6240707092), (4, 4680530319), (6, 3120353546), (12, 1560176773), (19, 985374804), (31, 603939396), (38, 492687402), (57, 328458268), (62, 301969698), (76, 246343701), (93, 201313132), (114, 164229134), (124, 150984849), (186, 100656566), (228, 82114567), (372, 50328283), (589, 31786284), (961, 19481916), (1178, 15893142), (1767, 10595428), (1922, 9740958), (2356, 7946571), (2883, 6493972), (3534, 5297714), (3844, 4870479), (5766, 3246986), (7068, 2648857), (11532, 1623493), (18259, 1025364), (36518, 512682), (54777, 341788), (73036, 256341), (85447, 219108), (109554, 170894)]