19278896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13241}}^1$

素因数の和:13269

約数の個数: 40

約数和(自身を含む): 45976224

約数和(自身を除く): 26697328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13241, 26482, 52964, 92687, 105928, 172133, 185374, 211856, 344266, 370748, 688532, 741496, 1204931, 1377064, 1482992, 2409862, 2754128, 4819724, 9639448, 19278896]

約数ペア:

[(1, 19278896), (2, 9639448), (4, 4819724), (7, 2754128), (8, 2409862), (13, 1482992), (14, 1377064), (16, 1204931), (26, 741496), (28, 688532), (52, 370748), (56, 344266), (91, 211856), (104, 185374), (112, 172133), (182, 105928), (208, 92687), (364, 52964), (728, 26482), (1456, 13241)]