97972018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{19681}}^1$

素因数の和:19833

約数の個数: 16

約数和(自身を含む): 155881440

約数和(自身を除く): 57909422

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 19681, 39362, 373939, 747878, 2578211, 5156422, 48986009, 97972018]

約数ペア:

[(1, 97972018), (2, 48986009), (19, 5156422), (38, 2578211), (131, 747878), (262, 373939), (2489, 39362), (4978, 19681)]