19748391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 30912000

約数和(自身を除く): 11163609

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 919, 1131, 1653, 2757, 7163, 11947, 17461, 21489, 26651, 35841, 52383, 79953, 226993, 346463, 506369, 680979, 1039389, 1519107, 6582797, 19748391]

約数ペア:

[(1, 19748391), (3, 6582797), (13, 1519107), (19, 1039389), (29, 680979), (39, 506369), (57, 346463), (87, 226993), (247, 79953), (377, 52383), (551, 35841), (741, 26651), (919, 21489), (1131, 17461), (1653, 11947), (2757, 7163)]