19840576

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 56

約数和(自身を含む): 45736256

約数和(自身を除く): 25895680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 661, 938, 1072, 1322, 1876, 2144, 2644, 3752, 4288, 4627, 5288, 7504, 9254, 10576, 15008, 18508, 21152, 30016, 37016, 42304, 44287, 74032, 88574, 148064, 177148, 296128, 310009, 354296, 620018, 708592, 1240036, 1417184, 2480072, 2834368, 4960144, 9920288, 19840576]

約数ペア:

[(1, 19840576), (2, 9920288), (4, 4960144), (7, 2834368), (8, 2480072), (14, 1417184), (16, 1240036), (28, 708592), (32, 620018), (56, 354296), (64, 310009), (67, 296128), (112, 177148), (134, 148064), (224, 88574), (268, 74032), (448, 44287), (469, 42304), (536, 37016), (661, 30016), (938, 21152), (1072, 18508), (1322, 15008), (1876, 10576), (2144, 9254), (2644, 7504), (3752, 5288), (4288, 4627)]