18923128

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{733}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 40692960

約数和(自身を除く): 21769832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 733, 922, 1466, 1844, 2932, 3227, 3688, 5131, 5864, 6454, 10262, 12908, 20524, 25816, 41048, 337913, 675826, 1351652, 2365391, 2703304, 4730782, 9461564, 18923128]

約数ペア:

[(1, 18923128), (2, 9461564), (4, 4730782), (7, 2703304), (8, 2365391), (14, 1351652), (28, 675826), (56, 337913), (461, 41048), (733, 25816), (922, 20524), (1466, 12908), (1844, 10262), (2932, 6454), (3227, 5864), (3688, 5131)]