18808461

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{827}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 32808672

約数和(自身を除く): 14000211

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 827, 1083, 1197, 2481, 2527, 3249, 5789, 7443, 7581, 15713, 17367, 22743, 47139, 52101, 109991, 141417, 298547, 329973, 895641, 989919, 2089829, 2686923, 6269487, 18808461]

約数ペア:

[(1, 18808461), (3, 6269487), (7, 2686923), (9, 2089829), (19, 989919), (21, 895641), (57, 329973), (63, 298547), (133, 141417), (171, 109991), (361, 52101), (399, 47139), (827, 22743), (1083, 17367), (1197, 15713), (2481, 7581), (2527, 7443), (3249, 5789)]