17948528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86291}}^1$

素因数の和:86312

約数の個数: 20

約数和(自身を含む): 37450728

約数和(自身を除く): 19502200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86291, 172582, 345164, 690328, 1121783, 1380656, 2243566, 4487132, 8974264, 17948528]

約数ペア:

[(1, 17948528), (2, 8974264), (4, 4487132), (8, 2243566), (13, 1380656), (16, 1121783), (26, 690328), (52, 345164), (104, 172582), (208, 86291)]