19987668

素因数分解:

$2^2\times 3^3\times {\mathrm{185071}}^1$

素因数の和:185084

約数の個数: 24

約数和(自身を含む): 51820160

約数和(自身を除く): 31832492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 185071, 370142, 555213, 740284, 1110426, 1665639, 2220852, 3331278, 4996917, 6662556, 9993834, 19987668]

約数ペア:

[(1, 19987668), (2, 9993834), (3, 6662556), (4, 4996917), (6, 3331278), (9, 2220852), (12, 1665639), (18, 1110426), (27, 740284), (36, 555213), (54, 370142), (108, 185071)]