30991318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{5953}}^1$

素因数の和:6111

約数の個数: 16

約数和(自身を含む): 49299120

約数和(自身を除く): 18307802

約数列:

[1, 2, 19, 38, 137, 274, 2603, 5206, 5953, 11906, 113107, 226214, 815561, 1631122, 15495659, 30991318]

約数ペア:

[(1, 30991318), (2, 15495659), (19, 1631122), (38, 815561), (137, 226214), (274, 113107), (2603, 11906), (5206, 5953)]