1808180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8219}}^1$

素因数の和:8239

約数の個数: 24

約数和(自身を含む): 4142880

約数和(自身を除く): 2334700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8219, 16438, 32876, 41095, 82190, 90409, 164380, 180818, 361636, 452045, 904090, 1808180]

約数ペア:

[(1, 1808180), (2, 904090), (4, 452045), (5, 361636), (10, 180818), (11, 164380), (20, 90409), (22, 82190), (44, 41095), (55, 32876), (110, 16438), (220, 8219)]