19776896

素因数分解:

$2^7\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 39600480

約数和(自身を除く): 19823584

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 367, 421, 734, 842, 1468, 1684, 2936, 3368, 5872, 6736, 11744, 13472, 23488, 26944, 46976, 53888, 154507, 309014, 618028, 1236056, 2472112, 4944224, 9888448, 19776896]

約数ペア:

[(1, 19776896), (2, 9888448), (4, 4944224), (8, 2472112), (16, 1236056), (32, 618028), (64, 309014), (128, 154507), (367, 53888), (421, 46976), (734, 26944), (842, 23488), (1468, 13472), (1684, 11744), (2936, 6736), (3368, 5872)]