18902385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24709}}^1$

素因数の和:24737

約数の個数: 24

約数和(自身を含む): 34692840

約数和(自身を除く): 15790455

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 24709, 74127, 123545, 222381, 370635, 420053, 1111905, 1260159, 2100265, 3780477, 6300795, 18902385]

約数ペア:

[(1, 18902385), (3, 6300795), (5, 3780477), (9, 2100265), (15, 1260159), (17, 1111905), (45, 420053), (51, 370635), (85, 222381), (153, 123545), (255, 74127), (765, 24709)]