19126863

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^2$

素因数の和:109

約数の個数: 54

約数和(自身を含む): 34512504

約数和(自身を除く): 15385641

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 361, 399, 551, 609, 841, 1083, 1197, 1653, 1827, 2523, 2527, 3249, 3857, 4959, 5887, 7569, 7581, 10469, 11571, 15979, 17661, 22743, 31407, 34713, 47937, 52983, 73283, 94221, 111853, 143811, 219849, 303601, 335559, 659547, 910803, 1006677, 2125207, 2732409, 6375621, 19126863]

約数ペア:

[(1, 19126863), (3, 6375621), (7, 2732409), (9, 2125207), (19, 1006677), (21, 910803), (29, 659547), (57, 335559), (63, 303601), (87, 219849), (133, 143811), (171, 111853), (203, 94221), (261, 73283), (361, 52983), (399, 47937), (551, 34713), (609, 31407), (841, 22743), (1083, 17661), (1197, 15979), (1653, 11571), (1827, 10469), (2523, 7581), (2527, 7569), (3249, 5887), (3857, 4959)]