18038445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 12816723

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 557, 635, 1671, 1905, 2159, 2785, 6477, 8355, 9469, 10795, 28407, 32385, 47345, 70739, 142035, 212217, 353695, 1061085, 1202563, 3607689, 6012815, 18038445]

約数ペア:

[(1, 18038445), (3, 6012815), (5, 3607689), (15, 1202563), (17, 1061085), (51, 353695), (85, 212217), (127, 142035), (255, 70739), (381, 47345), (557, 32385), (635, 28407), (1671, 10795), (1905, 9469), (2159, 8355), (2785, 6477)]