18869478

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 38887296

約数和(自身を除く): 20017818

約数列:

[1, 2, 3, 6, 67, 73, 134, 146, 201, 219, 402, 438, 643, 1286, 1929, 3858, 4891, 9782, 14673, 29346, 43081, 46939, 86162, 93878, 129243, 140817, 258486, 281634, 3144913, 6289826, 9434739, 18869478]

約数ペア:

[(1, 18869478), (2, 9434739), (3, 6289826), (6, 3144913), (67, 281634), (73, 258486), (134, 140817), (146, 129243), (201, 93878), (219, 86162), (402, 46939), (438, 43081), (643, 29346), (1286, 14673), (1929, 9782), (3858, 4891)]