18640468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{60521}}^1$

素因数の和:60543

約数の個数: 24

約数和(自身を含む): 40670784

約数和(自身を除く): 22030316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 60521, 121042, 242084, 423647, 665731, 847294, 1331462, 1694588, 2662924, 4660117, 9320234, 18640468]

約数ペア:

[(1, 18640468), (2, 9320234), (4, 4660117), (7, 2662924), (11, 1694588), (14, 1331462), (22, 847294), (28, 665731), (44, 423647), (77, 242084), (154, 121042), (308, 60521)]