19825569

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 10500831

約数列:

[1, 3, 9, 19, 57, 171, 269, 431, 807, 1293, 2421, 3879, 5111, 8189, 15333, 24567, 45999, 73701, 115939, 347817, 1043451, 2202841, 6608523, 19825569]

約数ペア:

[(1, 19825569), (3, 6608523), (9, 2202841), (19, 1043451), (57, 347817), (171, 115939), (269, 73701), (431, 45999), (807, 24567), (1293, 15333), (2421, 8189), (3879, 5111)]