19278301

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4129}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 23788800

約数和(自身を除く): 4510499

約数列:

[1, 7, 23, 29, 161, 203, 667, 4129, 4669, 28903, 94967, 119741, 664769, 838187, 2754043, 19278301]

約数ペア:

[(1, 19278301), (7, 2754043), (23, 838187), (29, 664769), (161, 119741), (203, 94967), (667, 28903), (4129, 4669)]