19657946

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127649}}^1$

素因数の和:127669

約数の個数: 16

約数和(自身を含む): 36763200

約数和(自身を除く): 17105254

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 127649, 255298, 893543, 1404139, 1787086, 2808278, 9828973, 19657946]

約数ペア:

[(1, 19657946), (2, 9828973), (7, 2808278), (11, 1787086), (14, 1404139), (22, 893543), (77, 255298), (154, 127649)]