19267767

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 31852800

約数和(自身を除く): 12585033

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 71, 171, 207, 213, 437, 513, 529, 621, 639, 1311, 1349, 1587, 1633, 1917, 3933, 4047, 4761, 4899, 10051, 11799, 12141, 14283, 14697, 30153, 31027, 36423, 37559, 44091, 90459, 93081, 112677, 271377, 279243, 338031, 713621, 837729, 1014093, 2140863, 6422589, 19267767]

約数ペア:

[(1, 19267767), (3, 6422589), (9, 2140863), (19, 1014093), (23, 837729), (27, 713621), (57, 338031), (69, 279243), (71, 271377), (171, 112677), (207, 93081), (213, 90459), (437, 44091), (513, 37559), (529, 36423), (621, 31027), (639, 30153), (1311, 14697), (1349, 14283), (1587, 12141), (1633, 11799), (1917, 10051), (3933, 4899), (4047, 4761)]