19675143

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 11688057

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 179, 207, 531, 537, 621, 1357, 1593, 1611, 1863, 4071, 4117, 4779, 4833, 10561, 12213, 12351, 14499, 31683, 36639, 37053, 95049, 109917, 111159, 242903, 285147, 333477, 728709, 855441, 2186127, 6558381, 19675143]

約数ペア:

[(1, 19675143), (3, 6558381), (9, 2186127), (23, 855441), (27, 728709), (59, 333477), (69, 285147), (81, 242903), (177, 111159), (179, 109917), (207, 95049), (531, 37053), (537, 36639), (621, 31683), (1357, 14499), (1593, 12351), (1611, 12213), (1863, 10561), (4071, 4833), (4117, 4779)]