19992370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 38203200

約数和(自身を除く): 18210830

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 757, 1390, 1514, 2641, 3785, 5282, 7570, 13205, 14383, 26410, 28766, 71915, 105223, 143830, 210446, 526115, 1052230, 1999237, 3998474, 9996185, 19992370]

約数ペア:

[(1, 19992370), (2, 9996185), (5, 3998474), (10, 1999237), (19, 1052230), (38, 526115), (95, 210446), (139, 143830), (190, 105223), (278, 71915), (695, 28766), (757, 26410), (1390, 14383), (1514, 13205), (2641, 7570), (3785, 5282)]