18997473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 10839327

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 209, 451, 627, 739, 779, 1353, 2217, 2337, 8129, 8569, 14041, 24387, 25707, 30299, 42123, 90897, 154451, 333289, 463353, 575681, 999867, 1727043, 6332491, 18997473]

約数ペア:

[(1, 18997473), (3, 6332491), (11, 1727043), (19, 999867), (33, 575681), (41, 463353), (57, 333289), (123, 154451), (209, 90897), (451, 42123), (627, 30299), (739, 25707), (779, 24387), (1353, 14041), (2217, 8569), (2337, 8129)]