18666945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 36159552

約数和(自身を除く): 17492607

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 877, 1419, 1935, 2365, 2631, 4257, 4385, 7095, 7893, 9647, 13155, 21285, 28941, 37711, 39465, 48235, 86823, 113133, 144705, 188555, 339399, 414821, 434115, 565665, 1244463, 1696995, 2074105, 3733389, 6222315, 18666945]

約数ペア:

[(1, 18666945), (3, 6222315), (5, 3733389), (9, 2074105), (11, 1696995), (15, 1244463), (33, 565665), (43, 434115), (45, 414821), (55, 339399), (99, 188555), (129, 144705), (165, 113133), (215, 86823), (387, 48235), (473, 39465), (495, 37711), (645, 28941), (877, 21285), (1419, 13155), (1935, 9647), (2365, 7893), (2631, 7095), (4257, 4385)]