17928515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{797}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 23556960

約数和(自身を除く): 5628445

約数列:

[1, 5, 11, 55, 409, 797, 2045, 3985, 4499, 8767, 22495, 43835, 325973, 1629865, 3585703, 17928515]

約数ペア:

[(1, 17928515), (5, 3585703), (11, 1629865), (55, 325973), (409, 43835), (797, 22495), (2045, 8767), (3985, 4499)]