18966087

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1483}}^1$

素因数の和:1532

約数の個数: 36

約数和(自身を含む): 32989320

約数和(自身を除く): 14023233

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1483, 1827, 4263, 4449, 10381, 12789, 13347, 31143, 43007, 72667, 93429, 129021, 218001, 301049, 387063, 654003, 903147, 2107343, 2709441, 6322029, 18966087]

約数ペア:

[(1, 18966087), (3, 6322029), (7, 2709441), (9, 2107343), (21, 903147), (29, 654003), (49, 387063), (63, 301049), (87, 218001), (147, 129021), (203, 93429), (261, 72667), (441, 43007), (609, 31143), (1421, 13347), (1483, 12789), (1827, 10381), (4263, 4449)]