19797104

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{2939}}^1$

素因数の和:3368

約数の個数: 20

約数和(自身を含む): 38461080

約数和(自身を除く): 18663976

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 2939, 3368, 5878, 6736, 11756, 23512, 47024, 1237319, 2474638, 4949276, 9898552, 19797104]

約数ペア:

[(1, 19797104), (2, 9898552), (4, 4949276), (8, 2474638), (16, 1237319), (421, 47024), (842, 23512), (1684, 11756), (2939, 6736), (3368, 5878)]