18408456

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2113}}^1$

素因数の和:2147

約数の個数: 72

約数和(自身を含む): 54826590

約数和(自身を除く): 36418134

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2113, 2178, 2904, 4226, 4356, 6339, 8452, 8712, 12678, 16904, 19017, 23243, 25356, 38034, 46486, 50712, 69729, 76068, 92972, 139458, 152136, 185944, 209187, 255673, 278916, 418374, 511346, 557832, 767019, 836748, 1022692, 1534038, 1673496, 2045384, 2301057, 3068076, 4602114, 6136152, 9204228, 18408456]

約数ペア:

[(1, 18408456), (2, 9204228), (3, 6136152), (4, 4602114), (6, 3068076), (8, 2301057), (9, 2045384), (11, 1673496), (12, 1534038), (18, 1022692), (22, 836748), (24, 767019), (33, 557832), (36, 511346), (44, 418374), (66, 278916), (72, 255673), (88, 209187), (99, 185944), (121, 152136), (132, 139458), (198, 92972), (242, 76068), (264, 69729), (363, 50712), (396, 46486), (484, 38034), (726, 25356), (792, 23243), (968, 19017), (1089, 16904), (1452, 12678), (2113, 8712), (2178, 8452), (2904, 6339), (4226, 4356)]