18604953

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 29884608

約数和(自身を除く): 11279655

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 289, 311, 391, 867, 933, 1173, 2601, 2799, 3519, 5287, 6647, 7153, 15861, 19941, 21459, 47583, 59823, 64377, 89879, 121601, 269637, 364803, 808911, 1094409, 2067217, 6201651, 18604953]

約数ペア:

[(1, 18604953), (3, 6201651), (9, 2067217), (17, 1094409), (23, 808911), (51, 364803), (69, 269637), (153, 121601), (207, 89879), (289, 64377), (311, 59823), (391, 47583), (867, 21459), (933, 19941), (1173, 15861), (2601, 7153), (2799, 6647), (3519, 5287)]