18837490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{613}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 38903040

約数和(自身を除く): 20065550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 613, 878, 1226, 2195, 3065, 3073, 4291, 4390, 6130, 6146, 8582, 15365, 21455, 30730, 42910, 269107, 538214, 1345535, 1883749, 2691070, 3767498, 9418745, 18837490]

約数ペア:

[(1, 18837490), (2, 9418745), (5, 3767498), (7, 2691070), (10, 1883749), (14, 1345535), (35, 538214), (70, 269107), (439, 42910), (613, 30730), (878, 21455), (1226, 15365), (2195, 8582), (3065, 6146), (3073, 6130), (4291, 4390)]