19020267

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9783

約数の個数: 24

約数和(自身を含む): 32414720

約数和(自身を除く): 13394453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9739, 29217, 68173, 87651, 204519, 301909, 613557, 905727, 2113363, 2717181, 6340089, 19020267]

約数ペア:

[(1, 19020267), (3, 6340089), (7, 2717181), (9, 2113363), (21, 905727), (31, 613557), (63, 301909), (93, 204519), (217, 87651), (279, 68173), (651, 29217), (1953, 9739)]