18744399

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14771}}^1$

素因数の和:14827

約数の個数: 16

約数和(自身を含む): 28362240

約数和(自身を除く): 9617841

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14771, 44313, 132939, 398817, 694237, 2082711, 6248133, 18744399]

約数ペア:

[(1, 18744399), (3, 6248133), (9, 2082711), (27, 694237), (47, 398817), (141, 132939), (423, 44313), (1269, 14771)]