17828881

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 21392640

約数和(自身を除く): 3563759

約数列:

[1, 7, 29, 71, 203, 497, 1237, 2059, 8659, 14413, 35873, 87827, 251111, 614789, 2546983, 17828881]

約数ペア:

[(1, 17828881), (7, 2546983), (29, 614789), (71, 251111), (203, 87827), (497, 35873), (1237, 14413), (2059, 8659)]