19854135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63029}}^1$

素因数の和:63047

約数の個数: 24

約数和(自身を含む): 39330720

約数和(自身を除く): 19476585

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63029, 189087, 315145, 441203, 567261, 945435, 1323609, 2206015, 2836305, 3970827, 6618045, 19854135]

約数ペア:

[(1, 19854135), (3, 6618045), (5, 3970827), (7, 2836305), (9, 2206015), (15, 1323609), (21, 945435), (35, 567261), (45, 441203), (63, 315145), (105, 189087), (315, 63029)]