19693590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13397}}^1$

素因数の和:13421

約数の個数: 48

約数和(自身を含む): 54985392

約数和(自身を除く): 35291802

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13397, 26794, 40191, 66985, 80382, 93779, 133970, 187558, 200955, 281337, 401910, 468895, 562674, 656453, 937790, 1312906, 1406685, 1969359, 2813370, 3282265, 3938718, 6564530, 9846795, 19693590]

約数ペア:

[(1, 19693590), (2, 9846795), (3, 6564530), (5, 3938718), (6, 3282265), (7, 2813370), (10, 1969359), (14, 1406685), (15, 1312906), (21, 937790), (30, 656453), (35, 562674), (42, 468895), (49, 401910), (70, 281337), (98, 200955), (105, 187558), (147, 133970), (210, 93779), (245, 80382), (294, 66985), (490, 40191), (735, 26794), (1470, 13397)]