19963839

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41333}}^1$

素因数の和:41366

約数の個数: 16

約数和(自身を含む): 31744512

約数和(自身を除く): 11780673

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41333, 123999, 289331, 867993, 950659, 2851977, 6654613, 19963839]

約数ペア:

[(1, 19963839), (3, 6654613), (7, 2851977), (21, 950659), (23, 867993), (69, 289331), (161, 123999), (483, 41333)]