19388649

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1427}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 10222359

約数列:

[1, 3, 7, 21, 647, 1427, 1941, 4281, 4529, 9989, 13587, 29967, 923269, 2769807, 6462883, 19388649]

約数ペア:

[(1, 19388649), (3, 6462883), (7, 2769807), (21, 923269), (647, 29967), (1427, 13587), (1941, 9989), (4281, 4529)]