18491382

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33763338

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 53, 54, 63, 71, 78, 91, 106, 117, 126, 142, 159, 182, 189, 213, 234, 273, 318, 351, 371, 378, 426, 477, 497, 546, 639, 689, 702, 742, 819, 923, 954, 994, 1113, 1278, 1378, 1431, 1491, 1638, 1846, 1917, 2067, 2226, 2457, 2769, 2862, 2982, 3339, 3763, 3834, 4134, 4473, 4823, 4914, 5538, 6201, 6461, 6678, 7526, 8307, 8946, 9646, 10017, 11289, 12402, 12922, 13419, 14469, 16614, 18603, 19383, 20034, 22578, 24921, 26341, 26838, 28938, 33867, 37206, 38766, 43407, 48919, 49842, 52682, 58149, 67734, 79023, 86814, 97838, 101601, 116298, 130221, 146757, 158046, 174447, 203202, 237069, 260442, 293514, 342433, 348894, 440271, 474138, 684866, 711207, 880542, 1027299, 1320813, 1422414, 2054598, 2641626, 3081897, 6163794, 9245691, 18491382]

約数ペア:

[(1, 18491382), (2, 9245691), (3, 6163794), (6, 3081897), (7, 2641626), (9, 2054598), (13, 1422414), (14, 1320813), (18, 1027299), (21, 880542), (26, 711207), (27, 684866), (39, 474138), (42, 440271), (53, 348894), (54, 342433), (63, 293514), (71, 260442), (78, 237069), (91, 203202), (106, 174447), (117, 158046), (126, 146757), (142, 130221), (159, 116298), (182, 101601), (189, 97838), (213, 86814), (234, 79023), (273, 67734), (318, 58149), (351, 52682), (371, 49842), (378, 48919), (426, 43407), (477, 38766), (497, 37206), (546, 33867), (639, 28938), (689, 26838), (702, 26341), (742, 24921), (819, 22578), (923, 20034), (954, 19383), (994, 18603), (1113, 16614), (1278, 14469), (1378, 13419), (1431, 12922), (1491, 12402), (1638, 11289), (1846, 10017), (1917, 9646), (2067, 8946), (2226, 8307), (2457, 7526), (2769, 6678), (2862, 6461), (2982, 6201), (3339, 5538), (3763, 4914), (3834, 4823), (4134, 4473)]