18895688

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{881}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 21746872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 881, 1532, 1762, 2681, 3064, 3524, 5362, 6167, 7048, 10724, 12334, 21448, 24668, 49336, 337423, 674846, 1349692, 2361961, 2699384, 4723922, 9447844, 18895688]

約数ペア:

[(1, 18895688), (2, 9447844), (4, 4723922), (7, 2699384), (8, 2361961), (14, 1349692), (28, 674846), (56, 337423), (383, 49336), (766, 24668), (881, 21448), (1532, 12334), (1762, 10724), (2681, 7048), (3064, 6167), (3524, 5362)]