18408572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 40115712

約数和(自身を除く): 21707140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 491, 721, 982, 1339, 1442, 1964, 2678, 2884, 3437, 5356, 6383, 6874, 9373, 12766, 13748, 18746, 25532, 37492, 44681, 50573, 89362, 101146, 178724, 202292, 354011, 657449, 708022, 1314898, 1416044, 2629796, 4602143, 9204286, 18408572]

約数ペア:

[(1, 18408572), (2, 9204286), (4, 4602143), (7, 2629796), (13, 1416044), (14, 1314898), (26, 708022), (28, 657449), (52, 354011), (91, 202292), (103, 178724), (182, 101146), (206, 89362), (364, 50573), (412, 44681), (491, 37492), (721, 25532), (982, 18746), (1339, 13748), (1442, 12766), (1964, 9373), (2678, 6874), (2884, 6383), (3437, 5356)]