18914115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 35277984

約数和(自身を除く): 16363869

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 613, 935, 1815, 1839, 2057, 2805, 3065, 6171, 6743, 9195, 10285, 10421, 20229, 30855, 31263, 33715, 52105, 74173, 101145, 114631, 156315, 222519, 343893, 370865, 573155, 1112595, 1260941, 1719465, 3782823, 6304705, 18914115]

約数ペア:

[(1, 18914115), (3, 6304705), (5, 3782823), (11, 1719465), (15, 1260941), (17, 1112595), (33, 573155), (51, 370865), (55, 343893), (85, 222519), (121, 156315), (165, 114631), (187, 101145), (255, 74173), (363, 52105), (561, 33715), (605, 31263), (613, 30855), (935, 20229), (1815, 10421), (1839, 10285), (2057, 9195), (2805, 6743), (3065, 6171)]