19428888

素因数分解:

$2^3\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1259}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 48686400

約数和(自身を除く): 29257512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 643, 1259, 1286, 1929, 2518, 2572, 3777, 3858, 5036, 5144, 7554, 7716, 10072, 15108, 15432, 30216, 809537, 1619074, 2428611, 3238148, 4857222, 6476296, 9714444, 19428888]

約数ペア:

[(1, 19428888), (2, 9714444), (3, 6476296), (4, 4857222), (6, 3238148), (8, 2428611), (12, 1619074), (24, 809537), (643, 30216), (1259, 15432), (1286, 15108), (1929, 10072), (2518, 7716), (2572, 7554), (3777, 5144), (3858, 5036)]