1815721908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2238

約数の個数: 192

約数和(自身を含む): 5771243520

約数和(自身を除く): 3955521612

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 71, 77, 78, 84, 91, 132, 142, 143, 154, 156, 182, 213, 231, 273, 284, 286, 308, 364, 426, 429, 462, 497, 546, 572, 781, 852, 858, 923, 924, 994, 1001, 1092, 1491, 1562, 1716, 1846, 1988, 2002, 2129, 2343, 2769, 2982, 3003, 3124, 3692, 4004, 4258, 4686, 5467, 5538, 5964, 6006, 6387, 6461, 8516, 9372, 10153, 10934, 11076, 12012, 12774, 12922, 14903, 16401, 19383, 20306, 21868, 23419, 25548, 25844, 27677, 29806, 30459, 32802, 38766, 40612, 44709, 46838, 55354, 59612, 60918, 65604, 70257, 71071, 77532, 83031, 89418, 93676, 110708, 121836, 140514, 142142, 151159, 163933, 166062, 178836, 193739, 213213, 281028, 284284, 302318, 304447, 327866, 332124, 387478, 426426, 453477, 491799, 581217, 604636, 608894, 655732, 774956, 852852, 906954, 913341, 983598, 1058113, 1162434, 1217788, 1662749, 1813908, 1826682, 1965067, 1967196, 2116226, 2131129, 2324868, 3174339, 3325498, 3653364, 3930134, 4232452, 4262258, 4988247, 5895201, 6348678, 6393387, 6650996, 7860268, 8524516, 9976494, 11639243, 11790402, 12697356, 12786774, 13755469, 19952988, 21615737, 23278486, 23580804, 25573548, 27510938, 34917729, 41266407, 43231474, 46556972, 55021876, 64847211, 69835458, 82532814, 86462948, 129694422, 139670916, 151310159, 165065628, 259388844, 302620318, 453930477, 605240636, 907860954, 1815721908]

約数ペア:

[(1, 1815721908), (2, 907860954), (3, 605240636), (4, 453930477), (6, 302620318), (7, 259388844), (11, 165065628), (12, 151310159), (13, 139670916), (14, 129694422), (21, 86462948), (22, 82532814), (26, 69835458), (28, 64847211), (33, 55021876), (39, 46556972), (42, 43231474), (44, 41266407), (52, 34917729), (66, 27510938), (71, 25573548), (77, 23580804), (78, 23278486), (84, 21615737), (91, 19952988), (132, 13755469), (142, 12786774), (143, 12697356), (154, 11790402), (156, 11639243), (182, 9976494), (213, 8524516), (231, 7860268), (273, 6650996), (284, 6393387), (286, 6348678), (308, 5895201), (364, 4988247), (426, 4262258), (429, 4232452), (462, 3930134), (497, 3653364), (546, 3325498), (572, 3174339), (781, 2324868), (852, 2131129), (858, 2116226), (923, 1967196), (924, 1965067), (994, 1826682), (1001, 1813908), (1092, 1662749), (1491, 1217788), (1562, 1162434), (1716, 1058113), (1846, 983598), (1988, 913341), (2002, 906954), (2129, 852852), (2343, 774956), (2769, 655732), (2982, 608894), (3003, 604636), (3124, 581217), (3692, 491799), (4004, 453477), (4258, 426426), (4686, 387478), (5467, 332124), (5538, 327866), (5964, 304447), (6006, 302318), (6387, 284284), (6461, 281028), (8516, 213213), (9372, 193739), (10153, 178836), (10934, 166062), (11076, 163933), (12012, 151159), (12774, 142142), (12922, 140514), (14903, 121836), (16401, 110708), (19383, 93676), (20306, 89418), (21868, 83031), (23419, 77532), (25548, 71071), (25844, 70257), (27677, 65604), (29806, 60918), (30459, 59612), (32802, 55354), (38766, 46838), (40612, 44709)]