19912904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226283}}^1$

素因数の和:226300

約数の個数: 16

約数和(自身を含む): 40731120

約数和(自身を除く): 20818216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226283, 452566, 905132, 1810264, 2489113, 4978226, 9956452, 19912904]

約数ペア:

[(1, 19912904), (2, 9956452), (4, 4978226), (8, 2489113), (11, 1810264), (22, 905132), (44, 452566), (88, 226283)]