19382992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71261}}^1$

素因数の和:71286

約数の個数: 20

約数和(自身を含む): 39764196

約数和(自身を除く): 20381204

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71261, 142522, 285044, 570088, 1140176, 1211437, 2422874, 4845748, 9691496, 19382992]

約数ペア:

[(1, 19382992), (2, 9691496), (4, 4845748), (8, 2422874), (16, 1211437), (17, 1140176), (34, 570088), (68, 285044), (136, 142522), (272, 71261)]