18801867

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4639}}^1$

素因数の和:4842

約数の個数: 16

約数和(自身を含む): 28805120

約数和(自身を除く): 10003253

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4639, 13917, 32473, 97419, 895327, 2685981, 6267289, 18801867]

約数ペア:

[(1, 18801867), (3, 6267289), (7, 2685981), (21, 895327), (193, 97419), (579, 32473), (1351, 13917), (4053, 4639)]