18002218

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 31101840

約数和(自身を除く): 13099622

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 241, 338, 442, 482, 2197, 2873, 3133, 4097, 4394, 5746, 6266, 8194, 37349, 40729, 53261, 74698, 81458, 106522, 529477, 692393, 1058954, 1384786, 9001109, 18002218]

約数ペア:

[(1, 18002218), (2, 9001109), (13, 1384786), (17, 1058954), (26, 692393), (34, 529477), (169, 106522), (221, 81458), (241, 74698), (338, 53261), (442, 40729), (482, 37349), (2197, 8194), (2873, 6266), (3133, 5746), (4097, 4394)]