19703936

素因数分解:

$2^7\times 7^1\times {\mathrm{21991}}^1$

素因数の和:22012

約数の個数: 32

約数和(自身を含む): 44863680

約数和(自身を除く): 25159744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 21991, 43982, 87964, 153937, 175928, 307874, 351856, 615748, 703712, 1231496, 1407424, 2462992, 2814848, 4925984, 9851968, 19703936]

約数ペア:

[(1, 19703936), (2, 9851968), (4, 4925984), (7, 2814848), (8, 2462992), (14, 1407424), (16, 1231496), (28, 703712), (32, 615748), (56, 351856), (64, 307874), (112, 175928), (128, 153937), (224, 87964), (448, 43982), (896, 21991)]