18289365

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4219}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 31092960

約数和(自身を除く): 12803595

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4219, 4335, 12657, 21095, 63285, 71723, 215169, 358615, 1075845, 1219291, 3657873, 6096455, 18289365]

約数ペア:

[(1, 18289365), (3, 6096455), (5, 3657873), (15, 1219291), (17, 1075845), (51, 358615), (85, 215169), (255, 71723), (289, 63285), (867, 21095), (1445, 12657), (4219, 4335)]