19455228

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 56918400

約数和(自身を除く): 37463172

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, 149, 156, 162, 186, 234, 279, 298, 324, 351, 372, 403, 447, 468, 558, 596, 702, 806, 837, 894, 1053, 1116, 1209, 1341, 1404, 1612, 1674, 1788, 1937, 2106, 2418, 2511, 2682, 3348, 3627, 3874, 4023, 4212, 4619, 4836, 5022, 5364, 5811, 7254, 7748, 8046, 9238, 10044, 10881, 11622, 12069, 13857, 14508, 16092, 17433, 18476, 21762, 23244, 24138, 27714, 32643, 34866, 41571, 43524, 48276, 52299, 55428, 60047, 65286, 69732, 83142, 104598, 120094, 124713, 130572, 156897, 166284, 180141, 209196, 240188, 249426, 313794, 360282, 374139, 498852, 540423, 627588, 720564, 748278, 1080846, 1496556, 1621269, 2161692, 3242538, 4863807, 6485076, 9727614, 19455228]

約数ペア:

[(1, 19455228), (2, 9727614), (3, 6485076), (4, 4863807), (6, 3242538), (9, 2161692), (12, 1621269), (13, 1496556), (18, 1080846), (26, 748278), (27, 720564), (31, 627588), (36, 540423), (39, 498852), (52, 374139), (54, 360282), (62, 313794), (78, 249426), (81, 240188), (93, 209196), (108, 180141), (117, 166284), (124, 156897), (149, 130572), (156, 124713), (162, 120094), (186, 104598), (234, 83142), (279, 69732), (298, 65286), (324, 60047), (351, 55428), (372, 52299), (403, 48276), (447, 43524), (468, 41571), (558, 34866), (596, 32643), (702, 27714), (806, 24138), (837, 23244), (894, 21762), (1053, 18476), (1116, 17433), (1209, 16092), (1341, 14508), (1404, 13857), (1612, 12069), (1674, 11622), (1788, 10881), (1937, 10044), (2106, 9238), (2418, 8046), (2511, 7748), (2682, 7254), (3348, 5811), (3627, 5364), (3874, 5022), (4023, 4836), (4212, 4619)]