17982757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 20401920

約数和(自身を除く): 2419163

約数列:

[1, 13, 23, 137, 299, 439, 1781, 3151, 5707, 10097, 40963, 60143, 131261, 781859, 1383289, 17982757]

約数ペア:

[(1, 17982757), (13, 1383289), (23, 781859), (137, 131261), (299, 60143), (439, 40963), (1781, 10097), (3151, 5707)]