19027030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172973}}^1$

素因数の和:172991

約数の個数: 16

約数和(自身を含む): 37362384

約数和(自身を除く): 18335354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 172973, 345946, 864865, 1729730, 1902703, 3805406, 9513515, 19027030]

約数ペア:

[(1, 19027030), (2, 9513515), (5, 3805406), (10, 1902703), (11, 1729730), (22, 864865), (55, 345946), (110, 172973)]