18657310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1381}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 38607552

約数和(自身を除く): 19950242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1381, 1930, 2702, 2762, 6755, 6905, 9667, 13510, 13810, 19334, 48335, 96670, 266533, 533066, 1332665, 1865731, 2665330, 3731462, 9328655, 18657310]

約数ペア:

[(1, 18657310), (2, 9328655), (5, 3731462), (7, 2665330), (10, 1865731), (14, 1332665), (35, 533066), (70, 266533), (193, 96670), (386, 48335), (965, 19334), (1351, 13810), (1381, 13510), (1930, 9667), (2702, 6905), (2762, 6755)]