19608776

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21759544

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 431, 484, 517, 862, 968, 1034, 1724, 2068, 3448, 4136, 4741, 5687, 9482, 11374, 18964, 20257, 22748, 37928, 40514, 45496, 52151, 81028, 104302, 162056, 208604, 222827, 417208, 445654, 891308, 1782616, 2451097, 4902194, 9804388, 19608776]

約数ペア:

[(1, 19608776), (2, 9804388), (4, 4902194), (8, 2451097), (11, 1782616), (22, 891308), (44, 445654), (47, 417208), (88, 222827), (94, 208604), (121, 162056), (188, 104302), (242, 81028), (376, 52151), (431, 45496), (484, 40514), (517, 37928), (862, 22748), (968, 20257), (1034, 18964), (1724, 11374), (2068, 9482), (3448, 5687), (4136, 4741)]