18099818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 32589216

約数和(自身を除く): 14489398

約数列:

[1, 2, 11, 19, 22, 38, 43, 53, 86, 106, 209, 361, 418, 473, 583, 722, 817, 946, 1007, 1166, 1634, 2014, 2279, 3971, 4558, 7942, 8987, 11077, 15523, 17974, 19133, 22154, 25069, 31046, 38266, 43301, 50138, 86602, 170753, 210463, 341506, 420926, 476311, 822719, 952622, 1645438, 9049909, 18099818]

約数ペア:

[(1, 18099818), (2, 9049909), (11, 1645438), (19, 952622), (22, 822719), (38, 476311), (43, 420926), (53, 341506), (86, 210463), (106, 170753), (209, 86602), (361, 50138), (418, 43301), (473, 38266), (583, 31046), (722, 25069), (817, 22154), (946, 19133), (1007, 17974), (1166, 15523), (1634, 11077), (2014, 8987), (2279, 7942), (3971, 4558)]