17919872

素因数分解:

$2^7\times {\mathrm{139999}}^1$

素因数の和:140013

約数の個数: 16

約数和(自身を含む): 35700000

約数和(自身を除く): 17780128

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139999, 279998, 559996, 1119992, 2239984, 4479968, 8959936, 17919872]

約数ペア:

[(1, 17919872), (2, 8959936), (4, 4479968), (8, 2239984), (16, 1119992), (32, 559996), (64, 279998), (128, 139999)]