19495421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 2857987

約数列:

[1, 11, 23, 251, 253, 307, 2761, 3377, 5773, 7061, 63503, 77057, 77671, 847627, 1772311, 19495421]

約数ペア:

[(1, 19495421), (11, 1772311), (23, 847627), (251, 77671), (253, 77057), (307, 63503), (2761, 7061), (3377, 5773)]