19517926

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 29975760

約数和(自身を除く): 10457834

約数列:

[1, 2, 61, 122, 157, 314, 1019, 2038, 9577, 19154, 62159, 124318, 159983, 319966, 9758963, 19517926]

約数ペア:

[(1, 19517926), (2, 9758963), (61, 319966), (122, 159983), (157, 124318), (314, 62159), (1019, 19154), (2038, 9577)]