18807525

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 40176000

約数和(自身を除く): 21368475

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 135, 149, 153, 165, 187, 225, 255, 275, 297, 425, 447, 459, 495, 561, 675, 745, 765, 825, 935, 1275, 1341, 1485, 1639, 1683, 2235, 2295, 2475, 2533, 2805, 3725, 3825, 4023, 4675, 4917, 5049, 6705, 7425, 7599, 8195, 8415, 11175, 11475, 12665, 14025, 14751, 20115, 22797, 24585, 25245, 27863, 33525, 37995, 40975, 42075, 44253, 63325, 68391, 73755, 83589, 100575, 113985, 122925, 126225, 139315, 189975, 221265, 250767, 341955, 368775, 417945, 569925, 696575, 752301, 1106325, 1253835, 1709775, 2089725, 3761505, 6269175, 18807525]

約数ペア:

[(1, 18807525), (3, 6269175), (5, 3761505), (9, 2089725), (11, 1709775), (15, 1253835), (17, 1106325), (25, 752301), (27, 696575), (33, 569925), (45, 417945), (51, 368775), (55, 341955), (75, 250767), (85, 221265), (99, 189975), (135, 139315), (149, 126225), (153, 122925), (165, 113985), (187, 100575), (225, 83589), (255, 73755), (275, 68391), (297, 63325), (425, 44253), (447, 42075), (459, 40975), (495, 37995), (561, 33525), (675, 27863), (745, 25245), (765, 24585), (825, 22797), (935, 20115), (1275, 14751), (1341, 14025), (1485, 12665), (1639, 11475), (1683, 11175), (2235, 8415), (2295, 8195), (2475, 7599), (2533, 7425), (2805, 6705), (3725, 5049), (3825, 4917), (4023, 4675)]