19788820948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{282101}}^1$

素因数の和:282208

約数の個数: 48

約数和(自身を含む): 39810234240

約数和(自身を除く): 20021413292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3692, 5396, 17537, 35074, 70148, 282101, 564202, 1128404, 3667313, 5359919, 7334626, 10719838, 14669252, 20029171, 21439676, 40058342, 69678947, 80116684, 139357894, 260379223, 278715788, 380554249, 520758446, 761108498, 1041516892, 1522216996, 4947205237, 9894410474, 19788820948]

約数ペア:

[(1, 19788820948), (2, 9894410474), (4, 4947205237), (13, 1522216996), (19, 1041516892), (26, 761108498), (38, 520758446), (52, 380554249), (71, 278715788), (76, 260379223), (142, 139357894), (247, 80116684), (284, 69678947), (494, 40058342), (923, 21439676), (988, 20029171), (1349, 14669252), (1846, 10719838), (2698, 7334626), (3692, 5359919), (5396, 3667313), (17537, 1128404), (35074, 564202), (70148, 282101)]