18618138

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 54419040

約数和(自身を除く): 35800902

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 49, 57, 63, 66, 77, 98, 99, 101, 114, 126, 133, 147, 154, 171, 198, 202, 209, 231, 266, 294, 303, 342, 399, 418, 441, 462, 539, 606, 627, 693, 707, 798, 882, 909, 931, 1078, 1111, 1197, 1254, 1386, 1414, 1463, 1617, 1818, 1862, 1881, 1919, 2121, 2222, 2394, 2793, 2926, 3234, 3333, 3762, 3838, 4242, 4389, 4851, 4949, 5586, 5757, 6363, 6666, 7777, 8379, 8778, 9702, 9898, 9999, 10241, 11514, 12726, 13167, 13433, 14847, 15554, 16758, 17271, 19998, 20482, 21109, 23331, 26334, 26866, 29694, 30723, 34542, 40299, 42218, 44541, 46662, 54439, 61446, 63327, 69993, 80598, 89082, 92169, 94031, 108878, 120897, 126654, 139986, 147763, 163317, 184338, 188062, 189981, 241794, 282093, 295526, 326634, 379962, 443289, 489951, 564186, 846279, 886578, 979902, 1034341, 1329867, 1692558, 2068682, 2659734, 3103023, 6206046, 9309069, 18618138]

約数ペア:

[(1, 18618138), (2, 9309069), (3, 6206046), (6, 3103023), (7, 2659734), (9, 2068682), (11, 1692558), (14, 1329867), (18, 1034341), (19, 979902), (21, 886578), (22, 846279), (33, 564186), (38, 489951), (42, 443289), (49, 379962), (57, 326634), (63, 295526), (66, 282093), (77, 241794), (98, 189981), (99, 188062), (101, 184338), (114, 163317), (126, 147763), (133, 139986), (147, 126654), (154, 120897), (171, 108878), (198, 94031), (202, 92169), (209, 89082), (231, 80598), (266, 69993), (294, 63327), (303, 61446), (342, 54439), (399, 46662), (418, 44541), (441, 42218), (462, 40299), (539, 34542), (606, 30723), (627, 29694), (693, 26866), (707, 26334), (798, 23331), (882, 21109), (909, 20482), (931, 19998), (1078, 17271), (1111, 16758), (1197, 15554), (1254, 14847), (1386, 13433), (1414, 13167), (1463, 12726), (1617, 11514), (1818, 10241), (1862, 9999), (1881, 9898), (1919, 9702), (2121, 8778), (2222, 8379), (2394, 7777), (2793, 6666), (2926, 6363), (3234, 5757), (3333, 5586), (3762, 4949), (3838, 4851), (4242, 4389)]