18930156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 55104000

約数和(自身を除く): 36173844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 57, 58, 76, 84, 87, 114, 116, 133, 174, 203, 228, 266, 348, 399, 406, 409, 532, 551, 609, 798, 812, 818, 1102, 1218, 1227, 1596, 1636, 1653, 2204, 2436, 2454, 2863, 3306, 3857, 4908, 5726, 6612, 7714, 7771, 8589, 11452, 11571, 11861, 15428, 15542, 17178, 23142, 23313, 23722, 31084, 34356, 35583, 46284, 46626, 47444, 54397, 71166, 83027, 93252, 108794, 142332, 163191, 166054, 217588, 225359, 249081, 326382, 332108, 450718, 498162, 652764, 676077, 901436, 996324, 1352154, 1577513, 2704308, 3155026, 4732539, 6310052, 9465078, 18930156]

約数ペア:

[(1, 18930156), (2, 9465078), (3, 6310052), (4, 4732539), (6, 3155026), (7, 2704308), (12, 1577513), (14, 1352154), (19, 996324), (21, 901436), (28, 676077), (29, 652764), (38, 498162), (42, 450718), (57, 332108), (58, 326382), (76, 249081), (84, 225359), (87, 217588), (114, 166054), (116, 163191), (133, 142332), (174, 108794), (203, 93252), (228, 83027), (266, 71166), (348, 54397), (399, 47444), (406, 46626), (409, 46284), (532, 35583), (551, 34356), (609, 31084), (798, 23722), (812, 23313), (818, 23142), (1102, 17178), (1218, 15542), (1227, 15428), (1596, 11861), (1636, 11571), (1653, 11452), (2204, 8589), (2436, 7771), (2454, 7714), (2863, 6612), (3306, 5726), (3857, 4908)]