18840276

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 168

約数和(自身を含む): 61697664

約数和(自身を除く): 42857388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 71, 78, 81, 84, 91, 108, 117, 126, 142, 156, 162, 182, 189, 213, 234, 243, 252, 273, 284, 324, 351, 364, 378, 426, 468, 486, 497, 546, 567, 639, 702, 729, 756, 819, 852, 923, 972, 994, 1053, 1092, 1134, 1278, 1404, 1458, 1491, 1638, 1701, 1846, 1917, 1988, 2106, 2268, 2457, 2556, 2769, 2916, 2982, 3159, 3276, 3402, 3692, 3834, 4212, 4473, 4914, 5103, 5538, 5751, 5964, 6318, 6461, 6804, 7371, 7668, 8307, 8946, 9477, 9828, 10206, 11076, 11502, 12636, 12922, 13419, 14742, 16614, 17253, 17892, 18954, 19383, 20412, 22113, 23004, 24921, 25844, 26838, 29484, 33228, 34506, 37908, 38766, 40257, 44226, 49842, 51759, 53676, 58149, 66339, 69012, 74763, 77532, 80514, 88452, 99684, 103518, 116298, 120771, 132678, 149526, 161028, 174447, 207036, 224289, 232596, 241542, 265356, 299052, 348894, 362313, 448578, 483084, 523341, 672867, 697788, 724626, 897156, 1046682, 1345734, 1449252, 1570023, 2093364, 2691468, 3140046, 4710069, 6280092, 9420138, 18840276]

約数ペア:

[(1, 18840276), (2, 9420138), (3, 6280092), (4, 4710069), (6, 3140046), (7, 2691468), (9, 2093364), (12, 1570023), (13, 1449252), (14, 1345734), (18, 1046682), (21, 897156), (26, 724626), (27, 697788), (28, 672867), (36, 523341), (39, 483084), (42, 448578), (52, 362313), (54, 348894), (63, 299052), (71, 265356), (78, 241542), (81, 232596), (84, 224289), (91, 207036), (108, 174447), (117, 161028), (126, 149526), (142, 132678), (156, 120771), (162, 116298), (182, 103518), (189, 99684), (213, 88452), (234, 80514), (243, 77532), (252, 74763), (273, 69012), (284, 66339), (324, 58149), (351, 53676), (364, 51759), (378, 49842), (426, 44226), (468, 40257), (486, 38766), (497, 37908), (546, 34506), (567, 33228), (639, 29484), (702, 26838), (729, 25844), (756, 24921), (819, 23004), (852, 22113), (923, 20412), (972, 19383), (994, 18954), (1053, 17892), (1092, 17253), (1134, 16614), (1278, 14742), (1404, 13419), (1458, 12922), (1491, 12636), (1638, 11502), (1701, 11076), (1846, 10206), (1917, 9828), (1988, 9477), (2106, 8946), (2268, 8307), (2457, 7668), (2556, 7371), (2769, 6804), (2916, 6461), (2982, 6318), (3159, 5964), (3276, 5751), (3402, 5538), (3692, 5103), (3834, 4914), (4212, 4473)]