19396220

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1129}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 40815600

約数和(自身を除く): 21419380

約数列:

[1, 2, 4, 5, 10, 20, 859, 1129, 1718, 2258, 3436, 4295, 4516, 5645, 8590, 11290, 17180, 22580, 969811, 1939622, 3879244, 4849055, 9698110, 19396220]

約数ペア:

[(1, 19396220), (2, 9698110), (4, 4849055), (5, 3879244), (10, 1939622), (20, 969811), (859, 22580), (1129, 17180), (1718, 11290), (2258, 8590), (3436, 5645), (4295, 4516)]