19736379

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18743}}^1$

素因数の和:18768

約数の個数: 20

約数和(自身を含む): 31752336

約数和(自身を除く): 12015957

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18743, 56229, 168687, 243659, 506061, 730977, 1518183, 2192931, 6578793, 19736379]

約数ペア:

[(1, 19736379), (3, 6578793), (9, 2192931), (13, 1518183), (27, 730977), (39, 506061), (81, 243659), (117, 168687), (351, 56229), (1053, 18743)]