18129708

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 47882016

約数和(自身を除く): 29752308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 71, 82, 123, 142, 164, 173, 213, 246, 284, 346, 369, 426, 492, 519, 639, 692, 738, 852, 1038, 1278, 1476, 1557, 2076, 2556, 2911, 3114, 5822, 6228, 7093, 8733, 11644, 12283, 14186, 17466, 21279, 24566, 26199, 28372, 34932, 36849, 42558, 49132, 52398, 63837, 73698, 85116, 104796, 110547, 127674, 147396, 221094, 255348, 442188, 503603, 1007206, 1510809, 2014412, 3021618, 4532427, 6043236, 9064854, 18129708]

約数ペア:

[(1, 18129708), (2, 9064854), (3, 6043236), (4, 4532427), (6, 3021618), (9, 2014412), (12, 1510809), (18, 1007206), (36, 503603), (41, 442188), (71, 255348), (82, 221094), (123, 147396), (142, 127674), (164, 110547), (173, 104796), (213, 85116), (246, 73698), (284, 63837), (346, 52398), (369, 49132), (426, 42558), (492, 36849), (519, 34932), (639, 28372), (692, 26199), (738, 24566), (852, 21279), (1038, 17466), (1278, 14186), (1476, 12283), (1557, 11644), (2076, 8733), (2556, 7093), (2911, 6228), (3114, 5822)]