19484464

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8761}}^1$

素因数の和:8908

約数の個数: 20

約数和(自身を含む): 38027080

約数和(自身を除く): 18542616

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8761, 17522, 35044, 70088, 140176, 1217779, 2435558, 4871116, 9742232, 19484464]

約数ペア:

[(1, 19484464), (2, 9742232), (4, 4871116), (8, 2435558), (16, 1217779), (139, 140176), (278, 70088), (556, 35044), (1112, 17522), (2224, 8761)]