31984144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{105211}}^1$

素因数の和:105238

約数の個数: 20

約数和(自身を含む): 65231440

約数和(自身を除く): 33247296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 105211, 210422, 420844, 841688, 1683376, 1999009, 3998018, 7996036, 15992072, 31984144]

約数ペア:

[(1, 31984144), (2, 15992072), (4, 7996036), (8, 3998018), (16, 1999009), (19, 1683376), (38, 841688), (76, 420844), (152, 210422), (304, 105211)]