18564765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 13576035

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1549, 2397, 3995, 4647, 7745, 11985, 23235, 26333, 72803, 78999, 131665, 218409, 364015, 394995, 1092045, 1237651, 3712953, 6188255, 18564765]

約数ペア:

[(1, 18564765), (3, 6188255), (5, 3712953), (15, 1237651), (17, 1092045), (47, 394995), (51, 364015), (85, 218409), (141, 131665), (235, 78999), (255, 72803), (705, 26333), (799, 23235), (1549, 11985), (2397, 7745), (3995, 4647)]