19937072

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15773}}^1$

素因数の和:15860

約数の個数: 20

約数和(自身を含む): 39119520

約数和(自身を除く): 19182448

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15773, 31546, 63092, 126184, 252368, 1246067, 2492134, 4984268, 9968536, 19937072]

約数ペア:

[(1, 19937072), (2, 9968536), (4, 4984268), (8, 2492134), (16, 1246067), (79, 252368), (158, 126184), (316, 63092), (632, 31546), (1264, 15773)]