18766982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13619}}^1$

素因数の和:13687

約数の個数: 16

約数和(自身を含む): 30890160

約数和(自身を除く): 12123178

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13619, 27238, 177047, 354094, 721807, 1443614, 9383491, 18766982]

約数ペア:

[(1, 18766982), (2, 9383491), (13, 1443614), (26, 721807), (53, 354094), (106, 177047), (689, 27238), (1378, 13619)]