19931945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8839}}^1$

素因数の和:8896

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 6800215

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8839, 44195, 97229, 362399, 486145, 1811995, 3986389, 19931945]

約数ペア:

[(1, 19931945), (5, 3986389), (11, 1811995), (41, 486145), (55, 362399), (205, 97229), (451, 44195), (2255, 8839)]