16889803

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 21182720

約数和(自身を除く): 4292917

約数列:

[1, 7, 19, 29, 133, 151, 203, 551, 841, 1057, 2869, 3857, 4379, 5887, 15979, 20083, 30653, 83201, 111853, 126991, 582407, 888937, 2412829, 16889803]

約数ペア:

[(1, 16889803), (7, 2412829), (19, 888937), (29, 582407), (133, 126991), (151, 111853), (203, 83201), (551, 30653), (841, 20083), (1057, 15979), (2869, 5887), (3857, 4379)]