18201660416

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{15497}}^1$

素因数の和:15585

約数の個数: 88

約数和(自身を含む): 38576877696

約数和(自身を除く): 20375217280

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 256, 296, 496, 512, 592, 992, 1024, 1147, 1184, 1984, 2294, 2368, 3968, 4588, 4736, 7936, 9176, 9472, 15497, 15872, 18352, 18944, 30994, 31744, 36704, 37888, 61988, 73408, 123976, 146816, 247952, 293632, 480407, 495904, 573389, 587264, 960814, 991808, 1146778, 1174528, 1921628, 1983616, 2293556, 3843256, 3967232, 4587112, 7686512, 7934464, 9174224, 15373024, 15868928, 17775059, 18348448, 30746048, 35550118, 36696896, 61492096, 71100236, 73393792, 122984192, 142200472, 146787584, 245968384, 284400944, 293575168, 491936768, 568801888, 587150336, 1137603776, 2275207552, 4550415104, 9100830208, 18201660416]

約数ペア:

[(1, 18201660416), (2, 9100830208), (4, 4550415104), (8, 2275207552), (16, 1137603776), (31, 587150336), (32, 568801888), (37, 491936768), (62, 293575168), (64, 284400944), (74, 245968384), (124, 146787584), (128, 142200472), (148, 122984192), (248, 73393792), (256, 71100236), (296, 61492096), (496, 36696896), (512, 35550118), (592, 30746048), (992, 18348448), (1024, 17775059), (1147, 15868928), (1184, 15373024), (1984, 9174224), (2294, 7934464), (2368, 7686512), (3968, 4587112), (4588, 3967232), (4736, 3843256), (7936, 2293556), (9176, 1983616), (9472, 1921628), (15497, 1174528), (15872, 1146778), (18352, 991808), (18944, 960814), (30994, 587264), (31744, 573389), (36704, 495904), (37888, 480407), (61988, 293632), (73408, 247952), (123976, 146816)]