19952973

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 30136288

約数和(自身を除く): 10183315

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 523, 1413, 1569, 4239, 4707, 12717, 14121, 38151, 42363, 82111, 127089, 246333, 738999, 2216997, 6650991, 19952973]

約数ペア:

[(1, 19952973), (3, 6650991), (9, 2216997), (27, 738999), (81, 246333), (157, 127089), (243, 82111), (471, 42363), (523, 38151), (1413, 14121), (1569, 12717), (4239, 4707)]