18922989

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{11969}}^1$

素因数の和:12020

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 8655891

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 11969, 35907, 203473, 371039, 610419, 1113117, 6307663, 18922989]

約数ペア:

[(1, 18922989), (3, 6307663), (17, 1113117), (31, 610419), (51, 371039), (93, 203473), (527, 35907), (1581, 11969)]