19716372

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 57677312

約数和(自身を除く): 37960940

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 151, 156, 162, 186, 234, 279, 302, 324, 351, 372, 403, 453, 468, 558, 604, 702, 806, 837, 906, 1053, 1116, 1209, 1359, 1404, 1612, 1674, 1812, 1963, 2106, 2418, 2511, 2718, 3348, 3627, 3926, 4077, 4212, 4681, 4836, 5022, 5436, 5889, 7254, 7852, 8154, 9362, 10044, 10881, 11778, 12231, 14043, 14508, 16308, 17667, 18724, 21762, 23556, 24462, 28086, 32643, 35334, 42129, 43524, 48924, 53001, 56172, 60853, 65286, 70668, 84258, 106002, 121706, 126387, 130572, 159003, 168516, 182559, 212004, 243412, 252774, 318006, 365118, 379161, 505548, 547677, 636012, 730236, 758322, 1095354, 1516644, 1643031, 2190708, 3286062, 4929093, 6572124, 9858186, 19716372]

約数ペア:

[(1, 19716372), (2, 9858186), (3, 6572124), (4, 4929093), (6, 3286062), (9, 2190708), (12, 1643031), (13, 1516644), (18, 1095354), (26, 758322), (27, 730236), (31, 636012), (36, 547677), (39, 505548), (52, 379161), (54, 365118), (62, 318006), (78, 252774), (81, 243412), (93, 212004), (108, 182559), (117, 168516), (124, 159003), (151, 130572), (156, 126387), (162, 121706), (186, 106002), (234, 84258), (279, 70668), (302, 65286), (324, 60853), (351, 56172), (372, 53001), (403, 48924), (453, 43524), (468, 42129), (558, 35334), (604, 32643), (702, 28086), (806, 24462), (837, 23556), (906, 21762), (1053, 18724), (1116, 17667), (1209, 16308), (1359, 14508), (1404, 14043), (1612, 12231), (1674, 11778), (1812, 10881), (1963, 10044), (2106, 9362), (2418, 8154), (2511, 7852), (2718, 7254), (3348, 5889), (3627, 5436), (3926, 5022), (4077, 4836), (4212, 4681)]