18004688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86561}}^1$

素因数の和:86582

約数の個数: 20

約数和(自身を含む): 37567908

約数和(自身を除く): 19563220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86561, 173122, 346244, 692488, 1125293, 1384976, 2250586, 4501172, 9002344, 18004688]

約数ペア:

[(1, 18004688), (2, 9002344), (4, 4501172), (8, 2250586), (13, 1384976), (16, 1125293), (26, 692488), (52, 346244), (104, 173122), (208, 86561)]