19479902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14388898

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 839, 893, 1222, 1678, 1786, 10907, 11609, 15941, 21814, 23218, 31882, 39433, 78866, 207233, 414466, 512629, 749227, 1025258, 1498454, 9739951, 19479902]

約数ペア:

[(1, 19479902), (2, 9739951), (13, 1498454), (19, 1025258), (26, 749227), (38, 512629), (47, 414466), (94, 207233), (247, 78866), (494, 39433), (611, 31882), (839, 23218), (893, 21814), (1222, 15941), (1678, 11609), (1786, 10907)]