19047519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12402081

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 167, 171, 207, 261, 437, 501, 551, 667, 1311, 1503, 1653, 2001, 3173, 3841, 3933, 4843, 4959, 6003, 9519, 11523, 12673, 14529, 28557, 34569, 38019, 43587, 72979, 92017, 111389, 114057, 218937, 276051, 334167, 656811, 828153, 1002501, 2116391, 6349173, 19047519]

約数ペア:

[(1, 19047519), (3, 6349173), (9, 2116391), (19, 1002501), (23, 828153), (29, 656811), (57, 334167), (69, 276051), (87, 218937), (167, 114057), (171, 111389), (207, 92017), (261, 72979), (437, 43587), (501, 38019), (551, 34569), (667, 28557), (1311, 14529), (1503, 12673), (1653, 11523), (2001, 9519), (3173, 6003), (3841, 4959), (3933, 4843)]