15381808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73951}}^1$

素因数の和:73972

約数の個数: 20

約数和(自身を含む): 32095168

約数和(自身を除く): 16713360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 73951, 147902, 295804, 591608, 961363, 1183216, 1922726, 3845452, 7690904, 15381808]

約数ペア:

[(1, 15381808), (2, 7690904), (4, 3845452), (8, 1922726), (13, 1183216), (16, 961363), (26, 591608), (52, 295804), (104, 147902), (208, 73951)]