19490246

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1327

約数の個数: 16

約数和(自身を含む): 30600288

約数和(自身を除く): 11110042

約数列:

[1, 2, 23, 46, 641, 661, 1282, 1322, 14743, 15203, 29486, 30406, 423701, 847402, 9745123, 19490246]

約数ペア:

[(1, 19490246), (2, 9745123), (23, 847402), (46, 423701), (641, 30406), (661, 29486), (1282, 15203), (1322, 14743)]