19449580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23719}}^1$

素因数の和:23769

約数の個数: 24

約数和(自身を含む): 41842080

約数和(自身を除く): 22392500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23719, 47438, 94876, 118595, 237190, 474380, 972479, 1944958, 3889916, 4862395, 9724790, 19449580]

約数ペア:

[(1, 19449580), (2, 9724790), (4, 4862395), (5, 3889916), (10, 1944958), (20, 972479), (41, 474380), (82, 237190), (164, 118595), (205, 94876), (410, 47438), (820, 23719)]