19605824

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 56

約数和(自身を含む): 44988480

約数和(自身を除く): 25382656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 409, 428, 448, 749, 818, 856, 1498, 1636, 1712, 2863, 2996, 3272, 3424, 5726, 5992, 6544, 6848, 11452, 11984, 13088, 22904, 23968, 26176, 43763, 45808, 47936, 87526, 91616, 175052, 183232, 306341, 350104, 612682, 700208, 1225364, 1400416, 2450728, 2800832, 4901456, 9802912, 19605824]

約数ペア:

[(1, 19605824), (2, 9802912), (4, 4901456), (7, 2800832), (8, 2450728), (14, 1400416), (16, 1225364), (28, 700208), (32, 612682), (56, 350104), (64, 306341), (107, 183232), (112, 175052), (214, 91616), (224, 87526), (409, 47936), (428, 45808), (448, 43763), (749, 26176), (818, 23968), (856, 22904), (1498, 13088), (1636, 11984), (1712, 11452), (2863, 6848), (2996, 6544), (3272, 5992), (3424, 5726)]