19418696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220667}}^1$

素因数の和:220684

約数の個数: 16

約数和(自身を含む): 39720240

約数和(自身を除く): 20301544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220667, 441334, 882668, 1765336, 2427337, 4854674, 9709348, 19418696]

約数ペア:

[(1, 19418696), (2, 9709348), (4, 4854674), (8, 2427337), (11, 1765336), (22, 882668), (44, 441334), (88, 220667)]