18222008

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4583}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 39605760

約数和(自身を除く): 21383752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4583, 9166, 18332, 32081, 36664, 64162, 128324, 256648, 325393, 650786, 1301572, 2277751, 2603144, 4555502, 9111004, 18222008]

約数ペア:

[(1, 18222008), (2, 9111004), (4, 4555502), (7, 2603144), (8, 2277751), (14, 1301572), (28, 650786), (56, 325393), (71, 256648), (142, 128324), (284, 64162), (497, 36664), (568, 32081), (994, 18332), (1988, 9166), (3976, 4583)]