18404568

素因数分解:

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

素因数の和:138

約数の個数: 144

約数和(自身を含む): 62527920

約数和(自身を除く): 44123352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 53, 56, 63, 72, 78, 84, 91, 104, 106, 117, 126, 156, 159, 168, 182, 212, 234, 252, 273, 312, 318, 364, 371, 424, 468, 477, 504, 546, 636, 689, 728, 742, 819, 936, 954, 1092, 1113, 1272, 1378, 1484, 1638, 1908, 2067, 2184, 2226, 2756, 2809, 2968, 3276, 3339, 3816, 4134, 4452, 4823, 5512, 5618, 6201, 6552, 6678, 8268, 8427, 8904, 9646, 11236, 12402, 13356, 14469, 16536, 16854, 19292, 19663, 22472, 24804, 25281, 26712, 28938, 33708, 36517, 38584, 39326, 43407, 49608, 50562, 57876, 58989, 67416, 73034, 78652, 86814, 101124, 109551, 115752, 117978, 146068, 157304, 173628, 176967, 202248, 219102, 235956, 255619, 292136, 328653, 347256, 353934, 438204, 471912, 511238, 657306, 707868, 766857, 876408, 1022476, 1314612, 1415736, 1533714, 2044952, 2300571, 2629224, 3067428, 4601142, 6134856, 9202284, 18404568]

約数ペア:

[(1, 18404568), (2, 9202284), (3, 6134856), (4, 4601142), (6, 3067428), (7, 2629224), (8, 2300571), (9, 2044952), (12, 1533714), (13, 1415736), (14, 1314612), (18, 1022476), (21, 876408), (24, 766857), (26, 707868), (28, 657306), (36, 511238), (39, 471912), (42, 438204), (52, 353934), (53, 347256), (56, 328653), (63, 292136), (72, 255619), (78, 235956), (84, 219102), (91, 202248), (104, 176967), (106, 173628), (117, 157304), (126, 146068), (156, 117978), (159, 115752), (168, 109551), (182, 101124), (212, 86814), (234, 78652), (252, 73034), (273, 67416), (312, 58989), (318, 57876), (364, 50562), (371, 49608), (424, 43407), (468, 39326), (477, 38584), (504, 36517), (546, 33708), (636, 28938), (689, 26712), (728, 25281), (742, 24804), (819, 22472), (936, 19663), (954, 19292), (1092, 16854), (1113, 16536), (1272, 14469), (1378, 13356), (1484, 12402), (1638, 11236), (1908, 9646), (2067, 8904), (2184, 8427), (2226, 8268), (2756, 6678), (2809, 6552), (2968, 6201), (3276, 5618), (3339, 5512), (3816, 4823), (4134, 4452)]