18491886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 31041234

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 89, 97, 102, 119, 126, 153, 178, 194, 238, 267, 291, 306, 357, 534, 582, 623, 679, 714, 801, 873, 1071, 1246, 1358, 1513, 1602, 1649, 1746, 1869, 2037, 2142, 3026, 3298, 3738, 4074, 4539, 4947, 5607, 6111, 8633, 9078, 9894, 10591, 11214, 11543, 12222, 13617, 14841, 17266, 21182, 23086, 25899, 27234, 29682, 31773, 34629, 51798, 60431, 63546, 69258, 77697, 95319, 103887, 120862, 146761, 155394, 181293, 190638, 207774, 293522, 362586, 440283, 543879, 880566, 1027327, 1087758, 1320849, 2054654, 2641698, 3081981, 6163962, 9245943, 18491886]

約数ペア:

[(1, 18491886), (2, 9245943), (3, 6163962), (6, 3081981), (7, 2641698), (9, 2054654), (14, 1320849), (17, 1087758), (18, 1027327), (21, 880566), (34, 543879), (42, 440283), (51, 362586), (63, 293522), (89, 207774), (97, 190638), (102, 181293), (119, 155394), (126, 146761), (153, 120862), (178, 103887), (194, 95319), (238, 77697), (267, 69258), (291, 63546), (306, 60431), (357, 51798), (534, 34629), (582, 31773), (623, 29682), (679, 27234), (714, 25899), (801, 23086), (873, 21182), (1071, 17266), (1246, 14841), (1358, 13617), (1513, 12222), (1602, 11543), (1649, 11214), (1746, 10591), (1869, 9894), (2037, 9078), (2142, 8633), (3026, 6111), (3298, 5607), (3738, 4947), (4074, 4539)]