91720144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{301711}}^1$

素因数の和:301738

約数の個数: 20

約数和(自身を含む): 187061440

約数和(自身を除く): 95341296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 301711, 603422, 1206844, 2413688, 4827376, 5732509, 11465018, 22930036, 45860072, 91720144]

約数ペア:

[(1, 91720144), (2, 45860072), (4, 22930036), (8, 11465018), (16, 5732509), (19, 4827376), (38, 2413688), (76, 1206844), (152, 603422), (304, 301711)]