18971792

素因数分解:

$2^4\times 7^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 42247296

約数和(自身を除く): 23275504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 233, 466, 727, 932, 1454, 1631, 1864, 2908, 3262, 3728, 5089, 5816, 6524, 10178, 11632, 13048, 20356, 26096, 40712, 81424, 169391, 338782, 677564, 1185737, 1355128, 2371474, 2710256, 4742948, 9485896, 18971792]

約数ペア:

[(1, 18971792), (2, 9485896), (4, 4742948), (7, 2710256), (8, 2371474), (14, 1355128), (16, 1185737), (28, 677564), (56, 338782), (112, 169391), (233, 81424), (466, 40712), (727, 26096), (932, 20356), (1454, 13048), (1631, 11632), (1864, 10178), (2908, 6524), (3262, 5816), (3728, 5089)]