16996868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 19667452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 743, 817, 1204, 1486, 1634, 2972, 3268, 5201, 5719, 10402, 11438, 14117, 20804, 22876, 28234, 31949, 56468, 63898, 98819, 127796, 197638, 223643, 395276, 447286, 607031, 894572, 1214062, 2428124, 4249217, 8498434, 16996868]

約数ペア:

[(1, 16996868), (2, 8498434), (4, 4249217), (7, 2428124), (14, 1214062), (19, 894572), (28, 607031), (38, 447286), (43, 395276), (76, 223643), (86, 197638), (133, 127796), (172, 98819), (266, 63898), (301, 56468), (532, 31949), (602, 28234), (743, 22876), (817, 20804), (1204, 14117), (1486, 11438), (1634, 10402), (2972, 5719), (3268, 5201)]