19707814

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 34744320

約数和(自身を除く): 15036506

約数列:

[1, 2, 7, 14, 79, 103, 158, 173, 206, 346, 553, 721, 1106, 1211, 1442, 2422, 8137, 13667, 16274, 17819, 27334, 35638, 56959, 95669, 113918, 124733, 191338, 249466, 1407701, 2815402, 9853907, 19707814]

約数ペア:

[(1, 19707814), (2, 9853907), (7, 2815402), (14, 1407701), (79, 249466), (103, 191338), (158, 124733), (173, 113918), (206, 95669), (346, 56959), (553, 35638), (721, 27334), (1106, 17819), (1211, 16274), (1442, 13667), (2422, 8137)]