18771982208

素因数分解:

$2^7\times 7^1\times {\mathrm{20950873}}^1$

素因数の和:20950894

約数の個数: 32

約数和(自身を含む): 42739782960

約数和(自身を除く): 23967800752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20950873, 41901746, 83803492, 146656111, 167606984, 293312222, 335213968, 586624444, 670427936, 1173248888, 1340855872, 2346497776, 2681711744, 4692995552, 9385991104, 18771982208]

約数ペア:

[(1, 18771982208), (2, 9385991104), (4, 4692995552), (7, 2681711744), (8, 2346497776), (14, 1340855872), (16, 1173248888), (28, 670427936), (32, 586624444), (56, 335213968), (64, 293312222), (112, 167606984), (128, 146656111), (224, 83803492), (448, 41901746), (896, 20950873)]