19613264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111439}}^1$

素因数の和:111458

約数の個数: 20

約数和(自身を含む): 41455680

約数和(自身を除く): 21842416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111439, 222878, 445756, 891512, 1225829, 1783024, 2451658, 4903316, 9806632, 19613264]

約数ペア:

[(1, 19613264), (2, 9806632), (4, 4903316), (8, 2451658), (11, 1783024), (16, 1225829), (22, 891512), (44, 445756), (88, 222878), (176, 111439)]