18912097984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{2029}}^1$

素因数の和:2730

約数の個数: 112

約数和(自身を含む): 42878959200

約数和(自身を除く): 23966861216

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 659, 832, 884, 1088, 1318, 1768, 2029, 2636, 3536, 4058, 5272, 7072, 8116, 8567, 10544, 11203, 14144, 16232, 17134, 21088, 22406, 26377, 32464, 34268, 34493, 42176, 44812, 52754, 64928, 68536, 68986, 89624, 105508, 129856, 137072, 137972, 145639, 179248, 211016, 274144, 275944, 291278, 358496, 422032, 448409, 548288, 551888, 582556, 716992, 844064, 896818, 1103776, 1165112, 1337111, 1688128, 1793636, 2207552, 2330224, 2674222, 3587272, 4660448, 5348444, 7174544, 9320896, 10696888, 14349088, 17382443, 21393776, 22730887, 28698176, 34764886, 42787552, 45461774, 69529772, 85575104, 90923548, 139059544, 181847096, 278119088, 295501531, 363694192, 556238176, 591003062, 727388384, 1112476352, 1182006124, 1454776768, 2364012248, 4728024496, 9456048992, 18912097984]

約数ペア:

[(1, 18912097984), (2, 9456048992), (4, 4728024496), (8, 2364012248), (13, 1454776768), (16, 1182006124), (17, 1112476352), (26, 727388384), (32, 591003062), (34, 556238176), (52, 363694192), (64, 295501531), (68, 278119088), (104, 181847096), (136, 139059544), (208, 90923548), (221, 85575104), (272, 69529772), (416, 45461774), (442, 42787552), (544, 34764886), (659, 28698176), (832, 22730887), (884, 21393776), (1088, 17382443), (1318, 14349088), (1768, 10696888), (2029, 9320896), (2636, 7174544), (3536, 5348444), (4058, 4660448), (5272, 3587272), (7072, 2674222), (8116, 2330224), (8567, 2207552), (10544, 1793636), (11203, 1688128), (14144, 1337111), (16232, 1165112), (17134, 1103776), (21088, 896818), (22406, 844064), (26377, 716992), (32464, 582556), (34268, 551888), (34493, 548288), (42176, 448409), (44812, 422032), (52754, 358496), (64928, 291278), (68536, 275944), (68986, 274144), (89624, 211016), (105508, 179248), (129856, 145639), (137072, 137972)]