18970095

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29411}}^1$

素因数の和:29462

約数の個数: 16

約数和(自身を含む): 31059072

約数和(自身を除く): 12088977

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 29411, 88233, 147055, 441165, 1264673, 3794019, 6323365, 18970095]

約数ペア:

[(1, 18970095), (3, 6323365), (5, 3794019), (15, 1264673), (43, 441165), (129, 147055), (215, 88233), (645, 29411)]