16188475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 21360240

約数和(自身を除く): 5171765

約数列:

[1, 5, 19, 25, 95, 173, 197, 475, 865, 985, 3287, 3743, 4325, 4925, 16435, 18715, 34081, 82175, 93575, 170405, 647539, 852025, 3237695, 16188475]

約数ペア:

[(1, 16188475), (5, 3237695), (19, 852025), (25, 647539), (95, 170405), (173, 93575), (197, 82175), (475, 34081), (865, 18715), (985, 16435), (3287, 4925), (3743, 4325)]