19342388

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 19042252

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 169, 284, 338, 403, 676, 806, 923, 1612, 1846, 2197, 2201, 3692, 4394, 4402, 5239, 8788, 8804, 10478, 11999, 20956, 23998, 28613, 47996, 57226, 68107, 114452, 136214, 155987, 272428, 311974, 371969, 623948, 743938, 1487876, 4835597, 9671194, 19342388]

約数ペア:

[(1, 19342388), (2, 9671194), (4, 4835597), (13, 1487876), (26, 743938), (31, 623948), (52, 371969), (62, 311974), (71, 272428), (124, 155987), (142, 136214), (169, 114452), (284, 68107), (338, 57226), (403, 47996), (676, 28613), (806, 23998), (923, 20956), (1612, 11999), (1846, 10478), (2197, 8804), (2201, 8788), (3692, 5239), (4394, 4402)]