19904262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473911}}^1$

素因数の和:473923

約数の個数: 16

約数和(自身を含む): 45495552

約数和(自身を除く): 25591290

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473911, 947822, 1421733, 2843466, 3317377, 6634754, 9952131, 19904262]

約数ペア:

[(1, 19904262), (2, 9952131), (3, 6634754), (6, 3317377), (7, 2843466), (14, 1421733), (21, 947822), (42, 473911)]