18621216

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 57788640

約数和(自身を除く): 39167424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 41, 48, 57, 72, 76, 82, 83, 96, 114, 123, 144, 152, 164, 166, 171, 228, 246, 249, 288, 304, 328, 332, 342, 369, 456, 492, 498, 608, 656, 664, 684, 738, 747, 779, 912, 984, 996, 1312, 1328, 1368, 1476, 1494, 1558, 1577, 1824, 1968, 1992, 2337, 2656, 2736, 2952, 2988, 3116, 3154, 3403, 3936, 3984, 4674, 4731, 5472, 5904, 5976, 6232, 6308, 6806, 7011, 7968, 9348, 9462, 10209, 11808, 11952, 12464, 12616, 13612, 14022, 14193, 18696, 18924, 20418, 23904, 24928, 25232, 27224, 28044, 28386, 30627, 37392, 37848, 40836, 50464, 54448, 56088, 56772, 61254, 64657, 74784, 75696, 81672, 108896, 112176, 113544, 122508, 129314, 151392, 163344, 193971, 224352, 227088, 245016, 258628, 326688, 387942, 454176, 490032, 517256, 581913, 775884, 980064, 1034512, 1163826, 1551768, 2069024, 2327652, 3103536, 4655304, 6207072, 9310608, 18621216]

約数ペア:

[(1, 18621216), (2, 9310608), (3, 6207072), (4, 4655304), (6, 3103536), (8, 2327652), (9, 2069024), (12, 1551768), (16, 1163826), (18, 1034512), (19, 980064), (24, 775884), (32, 581913), (36, 517256), (38, 490032), (41, 454176), (48, 387942), (57, 326688), (72, 258628), (76, 245016), (82, 227088), (83, 224352), (96, 193971), (114, 163344), (123, 151392), (144, 129314), (152, 122508), (164, 113544), (166, 112176), (171, 108896), (228, 81672), (246, 75696), (249, 74784), (288, 64657), (304, 61254), (328, 56772), (332, 56088), (342, 54448), (369, 50464), (456, 40836), (492, 37848), (498, 37392), (608, 30627), (656, 28386), (664, 28044), (684, 27224), (738, 25232), (747, 24928), (779, 23904), (912, 20418), (984, 18924), (996, 18696), (1312, 14193), (1328, 14022), (1368, 13612), (1476, 12616), (1494, 12464), (1558, 11952), (1577, 11808), (1824, 10209), (1968, 9462), (1992, 9348), (2337, 7968), (2656, 7011), (2736, 6806), (2952, 6308), (2988, 6232), (3116, 5976), (3154, 5904), (3403, 5472), (3936, 4731), (3984, 4674)]