19886499

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15671}}^1$

素因数の和:15727

約数の個数: 16

約数和(自身を含む): 30090240

約数和(自身を除く): 10203741

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15671, 47013, 141039, 423117, 736537, 2209611, 6628833, 19886499]

約数ペア:

[(1, 19886499), (3, 6628833), (9, 2209611), (27, 736537), (47, 423117), (141, 141039), (423, 47013), (1269, 15671)]