28090474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{19979}}^1$

素因数の和:20037

約数の個数: 16

約数和(自身を含む): 45554400

約数和(自身を除く): 17463926

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 19979, 39958, 379601, 739223, 759202, 1478446, 14045237, 28090474]

約数ペア:

[(1, 28090474), (2, 14045237), (19, 1478446), (37, 759202), (38, 739223), (74, 379601), (703, 39958), (1406, 19979)]