18926686408

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4760233}}^1$

素因数の和:4760317

約数の個数: 32

約数和(自身を含む): 41128421760

約数和(自身を除く): 22201735352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4760233, 9520466, 19040932, 33321631, 38081864, 66643262, 133286524, 266573048, 337976543, 675953086, 1351906172, 2365835801, 2703812344, 4731671602, 9463343204, 18926686408]

約数ペア:

[(1, 18926686408), (2, 9463343204), (4, 4731671602), (7, 2703812344), (8, 2365835801), (14, 1351906172), (28, 675953086), (56, 337976543), (71, 266573048), (142, 133286524), (284, 66643262), (497, 38081864), (568, 33321631), (994, 19040932), (1988, 9520466), (3976, 4760233)]