19998272

素因数分解:

$2^6\times 7^3\times {\mathrm{911}}^1$

素因数の和:944

約数の個数: 56

約数和(自身を含む): 46329600

約数和(自身を除く): 26331328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 911, 1372, 1568, 1822, 2744, 3136, 3644, 5488, 6377, 7288, 10976, 12754, 14576, 21952, 25508, 29152, 44639, 51016, 58304, 89278, 102032, 178556, 204064, 312473, 357112, 408128, 624946, 714224, 1249892, 1428448, 2499784, 2856896, 4999568, 9999136, 19998272]

約数ペア:

[(1, 19998272), (2, 9999136), (4, 4999568), (7, 2856896), (8, 2499784), (14, 1428448), (16, 1249892), (28, 714224), (32, 624946), (49, 408128), (56, 357112), (64, 312473), (98, 204064), (112, 178556), (196, 102032), (224, 89278), (343, 58304), (392, 51016), (448, 44639), (686, 29152), (784, 25508), (911, 21952), (1372, 14576), (1568, 12754), (1822, 10976), (2744, 7288), (3136, 6377), (3644, 5488)]