19815544

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3307}}^1$

素因数の和:3427

約数の個数: 32

約数和(自身を含む): 42871680

約数和(自身を除く): 23056136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3307, 5992, 6614, 13228, 23149, 26456, 46298, 92596, 185192, 353849, 707698, 1415396, 2476943, 2830792, 4953886, 9907772, 19815544]

約数ペア:

[(1, 19815544), (2, 9907772), (4, 4953886), (7, 2830792), (8, 2476943), (14, 1415396), (28, 707698), (56, 353849), (107, 185192), (214, 92596), (428, 46298), (749, 26456), (856, 23149), (1498, 13228), (2996, 6614), (3307, 5992)]