19981852275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{18503}}^1$

素因数の和:18562

約数の個数: 144

約数和(自身を含む): 43944187392

約数和(自身を除く): 23962335117

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 25, 33, 35, 51, 55, 75, 77, 85, 105, 119, 121, 165, 175, 187, 231, 255, 275, 357, 363, 385, 425, 525, 561, 595, 605, 825, 847, 935, 1155, 1275, 1309, 1785, 1815, 1925, 2057, 2541, 2805, 2975, 3025, 3927, 4235, 4675, 5775, 6171, 6545, 8925, 9075, 10285, 12705, 14025, 14399, 18503, 19635, 21175, 30855, 32725, 43197, 51425, 55509, 63525, 71995, 92515, 98175, 129521, 154275, 203533, 215985, 277545, 314551, 359975, 388563, 462575, 610599, 647605, 943653, 1017665, 1079925, 1387725, 1424731, 1572755, 1942815, 2201857, 2238863, 3052995, 3238025, 3460061, 4274193, 4718265, 5088325, 6605571, 6716589, 7123655, 7863775, 9714075, 10380183, 11009285, 11194315, 15264975, 15672041, 17300305, 21370965, 23591325, 24220427, 33027855, 33582945, 35618275, 38060671, 47016123, 51900915, 55046425, 55971575, 72661281, 78360205, 86501525, 106854825, 114182013, 121102135, 165139275, 167914725, 190303355, 235080615, 259504575, 266424697, 363306405, 391801025, 570910065, 605510675, 799274091, 951516775, 1175403075, 1332123485, 1816532025, 2854550325, 3996370455, 6660617425, 19981852275]

約数ペア:

[(1, 19981852275), (3, 6660617425), (5, 3996370455), (7, 2854550325), (11, 1816532025), (15, 1332123485), (17, 1175403075), (21, 951516775), (25, 799274091), (33, 605510675), (35, 570910065), (51, 391801025), (55, 363306405), (75, 266424697), (77, 259504575), (85, 235080615), (105, 190303355), (119, 167914725), (121, 165139275), (165, 121102135), (175, 114182013), (187, 106854825), (231, 86501525), (255, 78360205), (275, 72661281), (357, 55971575), (363, 55046425), (385, 51900915), (425, 47016123), (525, 38060671), (561, 35618275), (595, 33582945), (605, 33027855), (825, 24220427), (847, 23591325), (935, 21370965), (1155, 17300305), (1275, 15672041), (1309, 15264975), (1785, 11194315), (1815, 11009285), (1925, 10380183), (2057, 9714075), (2541, 7863775), (2805, 7123655), (2975, 6716589), (3025, 6605571), (3927, 5088325), (4235, 4718265), (4675, 4274193), (5775, 3460061), (6171, 3238025), (6545, 3052995), (8925, 2238863), (9075, 2201857), (10285, 1942815), (12705, 1572755), (14025, 1424731), (14399, 1387725), (18503, 1079925), (19635, 1017665), (21175, 943653), (30855, 647605), (32725, 610599), (43197, 462575), (51425, 388563), (55509, 359975), (63525, 314551), (71995, 277545), (92515, 215985), (98175, 203533), (129521, 154275)]