19872946

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 32341680

約数和(自身を除く): 12468734

約数列:

[1, 2, 29, 41, 58, 61, 82, 122, 137, 274, 1189, 1769, 2378, 2501, 3538, 3973, 5002, 5617, 7946, 8357, 11234, 16714, 72529, 145058, 162893, 242353, 325786, 342637, 484706, 685274, 9936473, 19872946]

約数ペア:

[(1, 19872946), (2, 9936473), (29, 685274), (41, 484706), (58, 342637), (61, 325786), (82, 242353), (122, 162893), (137, 145058), (274, 72529), (1189, 16714), (1769, 11234), (2378, 8357), (2501, 7946), (3538, 5617), (3973, 5002)]