18996276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 55339200

約数和(自身を除く): 36342924

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 29, 34, 38, 39, 51, 52, 57, 58, 68, 76, 78, 87, 102, 114, 116, 156, 169, 174, 204, 221, 228, 247, 323, 338, 348, 377, 442, 493, 494, 507, 551, 646, 663, 676, 741, 754, 884, 969, 986, 988, 1014, 1102, 1131, 1292, 1326, 1479, 1482, 1508, 1653, 1938, 1972, 2028, 2204, 2262, 2652, 2873, 2958, 2964, 3211, 3306, 3876, 4199, 4524, 4901, 5746, 5916, 6409, 6422, 6612, 7163, 8398, 8619, 9367, 9633, 9802, 11492, 12597, 12818, 12844, 14326, 14703, 16796, 17238, 18734, 19227, 19266, 19604, 21489, 25194, 25636, 28101, 28652, 29406, 34476, 37468, 38454, 38532, 42978, 50388, 54587, 56202, 58812, 76908, 83317, 85956, 93119, 109174, 112404, 121771, 163761, 166634, 186238, 218348, 243542, 249951, 279357, 327522, 333268, 365313, 372476, 487084, 499902, 558714, 655044, 730626, 999804, 1117428, 1461252, 1583023, 3166046, 4749069, 6332092, 9498138, 18996276]

約数ペア:

[(1, 18996276), (2, 9498138), (3, 6332092), (4, 4749069), (6, 3166046), (12, 1583023), (13, 1461252), (17, 1117428), (19, 999804), (26, 730626), (29, 655044), (34, 558714), (38, 499902), (39, 487084), (51, 372476), (52, 365313), (57, 333268), (58, 327522), (68, 279357), (76, 249951), (78, 243542), (87, 218348), (102, 186238), (114, 166634), (116, 163761), (156, 121771), (169, 112404), (174, 109174), (204, 93119), (221, 85956), (228, 83317), (247, 76908), (323, 58812), (338, 56202), (348, 54587), (377, 50388), (442, 42978), (493, 38532), (494, 38454), (507, 37468), (551, 34476), (646, 29406), (663, 28652), (676, 28101), (741, 25636), (754, 25194), (884, 21489), (969, 19604), (986, 19266), (988, 19227), (1014, 18734), (1102, 17238), (1131, 16796), (1292, 14703), (1326, 14326), (1479, 12844), (1482, 12818), (1508, 12597), (1653, 11492), (1938, 9802), (1972, 9633), (2028, 9367), (2204, 8619), (2262, 8398), (2652, 7163), (2873, 6612), (2958, 6422), (2964, 6409), (3211, 5916), (3306, 5746), (3876, 4901), (4199, 4524)]