18960976

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16691}}^1$

素因数の和:16770

約数の個数: 20

約数和(自身を含む): 37256544

約数和(自身を除く): 18295568

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16691, 33382, 66764, 133528, 267056, 1185061, 2370122, 4740244, 9480488, 18960976]

約数ペア:

[(1, 18960976), (2, 9480488), (4, 4740244), (8, 2370122), (16, 1185061), (71, 267056), (142, 133528), (284, 66764), (568, 33382), (1136, 16691)]