18480825

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 39283200

約数和(自身を除く): 20802375

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 33, 45, 55, 57, 75, 95, 99, 131, 135, 165, 171, 209, 225, 275, 285, 297, 393, 475, 495, 513, 627, 655, 675, 825, 855, 1045, 1179, 1425, 1441, 1485, 1881, 1965, 2475, 2489, 2565, 3135, 3275, 3537, 4275, 4323, 5225, 5643, 5895, 7205, 7425, 7467, 9405, 9825, 12445, 12825, 12969, 15675, 17685, 21615, 22401, 27379, 28215, 29475, 36025, 37335, 38907, 47025, 62225, 64845, 67203, 82137, 88425, 108075, 112005, 136895, 141075, 186675, 194535, 246411, 324225, 336015, 410685, 560025, 684475, 739233, 972675, 1232055, 1680075, 2053425, 3696165, 6160275, 18480825]

約数ペア:

[(1, 18480825), (3, 6160275), (5, 3696165), (9, 2053425), (11, 1680075), (15, 1232055), (19, 972675), (25, 739233), (27, 684475), (33, 560025), (45, 410685), (55, 336015), (57, 324225), (75, 246411), (95, 194535), (99, 186675), (131, 141075), (135, 136895), (165, 112005), (171, 108075), (209, 88425), (225, 82137), (275, 67203), (285, 64845), (297, 62225), (393, 47025), (475, 38907), (495, 37335), (513, 36025), (627, 29475), (655, 28215), (675, 27379), (825, 22401), (855, 21615), (1045, 17685), (1179, 15675), (1425, 12969), (1441, 12825), (1485, 12445), (1881, 9825), (1965, 9405), (2475, 7467), (2489, 7425), (2565, 7205), (3135, 5895), (3275, 5643), (3537, 5225), (4275, 4323)]