20180188791

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1\times {\mathrm{6133}}^1$

素因数の和:7976

約数の個数: 48

約数和(自身を含む): 34486820160

約数和(自身を除く): 14306631369

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1801, 1827, 5403, 6133, 12607, 16209, 18399, 37821, 42931, 52229, 55197, 113463, 128793, 156687, 177857, 365603, 386379, 470061, 533571, 1096809, 1244999, 1600713, 3290427, 3734997, 11045533, 11204991, 33136599, 77318731, 99409797, 231956193, 320320457, 695868579, 960961371, 2242243199, 2882884113, 6726729597, 20180188791]

約数ペア:

[(1, 20180188791), (3, 6726729597), (7, 2882884113), (9, 2242243199), (21, 960961371), (29, 695868579), (63, 320320457), (87, 231956193), (203, 99409797), (261, 77318731), (609, 33136599), (1801, 11204991), (1827, 11045533), (5403, 3734997), (6133, 3290427), (12607, 1600713), (16209, 1244999), (18399, 1096809), (37821, 533571), (42931, 470061), (52229, 386379), (55197, 365603), (113463, 177857), (128793, 156687)]