19455278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7211}}^1$

素因数の和:7303

約数の個数: 16

約数和(自身を含む): 31155840

約数和(自身を除く): 11700562

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7211, 14422, 137009, 274018, 511981, 1023962, 9727639, 19455278]

約数ペア:

[(1, 19455278), (2, 9727639), (19, 1023962), (38, 511981), (71, 274018), (142, 137009), (1349, 14422), (2698, 7211)]