18878482

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3203}}^1$

素因数の和:3633

約数の個数: 16

約数和(自身を含む): 32450112

約数和(自身を除く): 13571630

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3203, 5894, 6406, 22421, 44842, 1348463, 2696926, 9439241, 18878482]

約数ペア:

[(1, 18878482), (2, 9439241), (7, 2696926), (14, 1348463), (421, 44842), (842, 22421), (2947, 6406), (3203, 5894)]