18866901

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{877}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 25792128

約数和(自身を除く): 6925227

約数列:

[1, 3, 71, 101, 213, 303, 877, 2631, 7171, 21513, 62267, 88577, 186801, 265731, 6288967, 18866901]

約数ペア:

[(1, 18866901), (3, 6288967), (71, 265731), (101, 186801), (213, 88577), (303, 62267), (877, 21513), (2631, 7171)]