19629728

素因数分解:

$2^5\times {\mathrm{619}}^1\times {\mathrm{991}}^1$

素因数の和:1620

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 19117792

約数列:

[1, 2, 4, 8, 16, 32, 619, 991, 1238, 1982, 2476, 3964, 4952, 7928, 9904, 15856, 19808, 31712, 613429, 1226858, 2453716, 4907432, 9814864, 19629728]

約数ペア:

[(1, 19629728), (2, 9814864), (4, 4907432), (8, 2453716), (16, 1226858), (32, 613429), (619, 31712), (991, 19808), (1238, 15856), (1982, 9904), (2476, 7928), (3964, 4952)]