19912314618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{3907}}^1$

素因数の和:4161

約数の個数: 128

約数和(自身を含む): 51473049600

約数和(自身を除く): 31560734982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 97, 126, 139, 189, 194, 278, 291, 378, 417, 582, 679, 834, 873, 973, 1251, 1358, 1746, 1946, 2037, 2502, 2619, 2919, 3753, 3907, 4074, 5238, 5838, 6111, 7506, 7814, 8757, 11721, 12222, 13483, 17514, 18333, 23442, 26271, 26966, 27349, 35163, 36666, 40449, 52542, 54698, 70326, 80898, 82047, 94381, 105489, 121347, 164094, 188762, 210978, 242694, 246141, 283143, 364041, 378979, 492282, 543073, 566286, 728082, 738423, 757958, 849429, 1086146, 1136937, 1476846, 1629219, 1698858, 2273874, 2548287, 2652853, 3258438, 3410811, 3801511, 4887657, 5096574, 5305706, 6821622, 7603022, 7958559, 9775314, 10232433, 11404533, 14662971, 15917118, 20464866, 22809066, 23875677, 29325942, 34213599, 47751354, 52678081, 68427198, 71627031, 102640797, 105356162, 143254062, 158034243, 205281594, 316068486, 368746567, 474102729, 737493134, 948205458, 1106239701, 1422308187, 2212479402, 2844616374, 3318719103, 6637438206, 9956157309, 19912314618]

約数ペア:

[(1, 19912314618), (2, 9956157309), (3, 6637438206), (6, 3318719103), (7, 2844616374), (9, 2212479402), (14, 1422308187), (18, 1106239701), (21, 948205458), (27, 737493134), (42, 474102729), (54, 368746567), (63, 316068486), (97, 205281594), (126, 158034243), (139, 143254062), (189, 105356162), (194, 102640797), (278, 71627031), (291, 68427198), (378, 52678081), (417, 47751354), (582, 34213599), (679, 29325942), (834, 23875677), (873, 22809066), (973, 20464866), (1251, 15917118), (1358, 14662971), (1746, 11404533), (1946, 10232433), (2037, 9775314), (2502, 7958559), (2619, 7603022), (2919, 6821622), (3753, 5305706), (3907, 5096574), (4074, 4887657), (5238, 3801511), (5838, 3410811), (6111, 3258438), (7506, 2652853), (7814, 2548287), (8757, 2273874), (11721, 1698858), (12222, 1629219), (13483, 1476846), (17514, 1136937), (18333, 1086146), (23442, 849429), (26271, 757958), (26966, 738423), (27349, 728082), (35163, 566286), (36666, 543073), (40449, 492282), (52542, 378979), (54698, 364041), (70326, 283143), (80898, 246141), (82047, 242694), (94381, 210978), (105489, 188762), (121347, 164094)]