19004380

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3613}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 40072032

約数和(自身を除く): 21067652

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3613, 5260, 7226, 14452, 18065, 36130, 72260, 950219, 1900438, 3800876, 4751095, 9502190, 19004380]

約数ペア:

[(1, 19004380), (2, 9502190), (4, 4751095), (5, 3800876), (10, 1900438), (20, 950219), (263, 72260), (526, 36130), (1052, 18065), (1315, 14452), (2630, 7226), (3613, 5260)]