19499913

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12241}}^1$

素因数の和:12309

約数の個数: 16

約数和(自身を含む): 29380800

約数和(自身を除く): 9880887

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12241, 36723, 110169, 330507, 722219, 2166657, 6499971, 19499913]

約数ペア:

[(1, 19499913), (3, 6499971), (9, 2166657), (27, 722219), (59, 330507), (177, 110169), (531, 36723), (1593, 12241)]