18926289

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 28259712

約数和(自身を除く): 9333423

約数列:

[1, 3, 9, 47, 101, 141, 303, 423, 443, 909, 1329, 3987, 4747, 14241, 20821, 42723, 44743, 62463, 134229, 187389, 402687, 2102921, 6308763, 18926289]

約数ペア:

[(1, 18926289), (3, 6308763), (9, 2102921), (47, 402687), (101, 187389), (141, 134229), (303, 62463), (423, 44743), (443, 42723), (909, 20821), (1329, 14241), (3987, 4747)]