18907395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2063}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 14380797

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 2063, 3055, 6189, 9165, 10315, 26819, 30945, 80457, 96961, 134095, 290883, 402285, 484805, 1260493, 1454415, 3781479, 6302465, 18907395]

約数ペア:

[(1, 18907395), (3, 6302465), (5, 3781479), (13, 1454415), (15, 1260493), (39, 484805), (47, 402285), (65, 290883), (141, 134095), (195, 96961), (235, 80457), (611, 30945), (705, 26819), (1833, 10315), (2063, 9165), (3055, 6189)]