18022165

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 26691840

約数和(自身を除く): 8669675

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 661, 665, 779, 1435, 3305, 3895, 4627, 5453, 12559, 23135, 27101, 27265, 62795, 87913, 135505, 189707, 439565, 514919, 948535, 2574595, 3604433, 18022165]

約数ペア:

[(1, 18022165), (5, 3604433), (7, 2574595), (19, 948535), (35, 514919), (41, 439565), (95, 189707), (133, 135505), (205, 87913), (287, 62795), (661, 27265), (665, 27101), (779, 23135), (1435, 12559), (3305, 5453), (3895, 4627)]