18077619

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4015

約数の個数: 24

約数和(自身を含む): 28950528

約数和(自身を除く): 10872909

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 3967, 4557, 11901, 27769, 83307, 122977, 194383, 368931, 583149, 860839, 2582517, 6025873, 18077619]

約数ペア:

[(1, 18077619), (3, 6025873), (7, 2582517), (21, 860839), (31, 583149), (49, 368931), (93, 194383), (147, 122977), (217, 83307), (651, 27769), (1519, 11901), (3967, 4557)]