18113823

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 16008993

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1301, 1547, 1989, 3903, 4641, 9107, 11709, 13923, 16913, 22117, 27321, 50739, 66351, 81963, 118391, 152217, 154819, 199053, 287521, 355173, 464457, 862563, 1065519, 1393371, 2012647, 2587689, 6037941, 18113823]

約数ペア:

[(1, 18113823), (3, 6037941), (7, 2587689), (9, 2012647), (13, 1393371), (17, 1065519), (21, 862563), (39, 464457), (51, 355173), (63, 287521), (91, 199053), (117, 154819), (119, 152217), (153, 118391), (221, 81963), (273, 66351), (357, 50739), (663, 27321), (819, 22117), (1071, 16913), (1301, 13923), (1547, 11709), (1989, 9107), (3903, 4641)]