19712403

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3527}}^1$

素因数の和:3565

約数の個数: 24

約数和(自身を含む): 30820608

約数和(自身を除く): 11108205

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3527, 5589, 10581, 31743, 81121, 95229, 243363, 285687, 730089, 857061, 2190267, 6570801, 19712403]

約数ペア:

[(1, 19712403), (3, 6570801), (9, 2190267), (23, 857061), (27, 730089), (69, 285687), (81, 243363), (207, 95229), (243, 81121), (621, 31743), (1863, 10581), (3527, 5589)]