20181831615

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{14951}}^1$

素因数の和:15083

約数の個数: 96

約数和(自身を含む): 39969925632

約数和(自身を除く): 19788094017

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 101, 135, 165, 243, 297, 303, 405, 495, 505, 891, 909, 1111, 1215, 1485, 1515, 2673, 2727, 3333, 4455, 4545, 5555, 8181, 9999, 13365, 13635, 14951, 16665, 24543, 29997, 40905, 44853, 49995, 74755, 89991, 122715, 134559, 149985, 164461, 224265, 269973, 403677, 449955, 493383, 672795, 822305, 1211031, 1349865, 1480149, 1510051, 2018385, 2466915, 3633093, 4440447, 4530153, 6055155, 7400745, 7550255, 13321341, 13590459, 16610561, 18165465, 22202235, 22650765, 39964023, 40771377, 49831683, 66606705, 67952295, 83052805, 122314131, 149495049, 199820115, 203856885, 249158415, 366942393, 448485147, 611570655, 747475245, 1345455441, 1834711965, 2242425735, 4036366323, 6727277205, 20181831615]

約数ペア:

[(1, 20181831615), (3, 6727277205), (5, 4036366323), (9, 2242425735), (11, 1834711965), (15, 1345455441), (27, 747475245), (33, 611570655), (45, 448485147), (55, 366942393), (81, 249158415), (99, 203856885), (101, 199820115), (135, 149495049), (165, 122314131), (243, 83052805), (297, 67952295), (303, 66606705), (405, 49831683), (495, 40771377), (505, 39964023), (891, 22650765), (909, 22202235), (1111, 18165465), (1215, 16610561), (1485, 13590459), (1515, 13321341), (2673, 7550255), (2727, 7400745), (3333, 6055155), (4455, 4530153), (4545, 4440447), (5555, 3633093), (8181, 2466915), (9999, 2018385), (13365, 1510051), (13635, 1480149), (14951, 1349865), (16665, 1211031), (24543, 822305), (29997, 672795), (40905, 493383), (44853, 449955), (49995, 403677), (74755, 269973), (89991, 224265), (122715, 164461), (134559, 149985)]