12421972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2239}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 23206400

約数和(自身を除く): 10784428

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2239, 2774, 4478, 5548, 8956, 42541, 85082, 163447, 170164, 326894, 653788, 3105493, 6210986, 12421972]

約数ペア:

[(1, 12421972), (2, 6210986), (4, 3105493), (19, 653788), (38, 326894), (73, 170164), (76, 163447), (146, 85082), (292, 42541), (1387, 8956), (2239, 5548), (2774, 4478)]