17918648

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 37490040

約数和(自身を除く): 19571392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 121, 173, 214, 242, 346, 428, 484, 692, 856, 968, 1177, 1384, 1903, 2354, 3806, 4708, 7612, 9416, 12947, 15224, 18511, 20933, 25894, 37022, 41866, 51788, 74044, 83732, 103576, 148088, 167464, 203621, 407242, 814484, 1628968, 2239831, 4479662, 8959324, 17918648]

約数ペア:

[(1, 17918648), (2, 8959324), (4, 4479662), (8, 2239831), (11, 1628968), (22, 814484), (44, 407242), (88, 203621), (107, 167464), (121, 148088), (173, 103576), (214, 83732), (242, 74044), (346, 51788), (428, 41866), (484, 37022), (692, 25894), (856, 20933), (968, 18511), (1177, 15224), (1384, 12947), (1903, 9416), (2354, 7612), (3806, 4708)]