17980493804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1335053}}^1$

素因数の和:1335114

約数の個数: 48

約数和(自身を含む): 39773928768

約数和(自身を除く): 21793434964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 1335053, 2670106, 5340212, 9345371, 17355689, 18690742, 34711378, 37381484, 49396961, 69422756, 98793922, 121489823, 197587844, 242979646, 345778727, 485959292, 642160493, 691557454, 1284320986, 1383114908, 2568641972, 4495123451, 8990246902, 17980493804]

約数ペア:

[(1, 17980493804), (2, 8990246902), (4, 4495123451), (7, 2568641972), (13, 1383114908), (14, 1284320986), (26, 691557454), (28, 642160493), (37, 485959292), (52, 345778727), (74, 242979646), (91, 197587844), (148, 121489823), (182, 98793922), (259, 69422756), (364, 49396961), (481, 37381484), (518, 34711378), (962, 18690742), (1036, 17355689), (1924, 9345371), (3367, 5340212), (6734, 2670106), (13468, 1335053)]