19799269

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 3586331

約数列:

[1, 7, 41, 149, 287, 463, 1043, 3241, 6109, 18983, 42763, 68987, 132881, 482909, 2828467, 19799269]

約数ペア:

[(1, 19799269), (7, 2828467), (41, 482909), (149, 132881), (287, 68987), (463, 42763), (1043, 18983), (3241, 6109)]