18319840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1487}}^1$

素因数の和:1520

約数の個数: 96

約数和(自身を含む): 53996544

約数和(自身を除く): 35676704

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1487, 1540, 1760, 2464, 2974, 3080, 5948, 6160, 7435, 10409, 11896, 12320, 14870, 16357, 20818, 23792, 29740, 32714, 41636, 47584, 52045, 59480, 65428, 81785, 83272, 104090, 114499, 118960, 130856, 163570, 166544, 208180, 228998, 237920, 261712, 327140, 333088, 416360, 457996, 523424, 572495, 654280, 832720, 915992, 1144990, 1308560, 1665440, 1831984, 2289980, 2617120, 3663968, 4579960, 9159920, 18319840]

約数ペア:

[(1, 18319840), (2, 9159920), (4, 4579960), (5, 3663968), (7, 2617120), (8, 2289980), (10, 1831984), (11, 1665440), (14, 1308560), (16, 1144990), (20, 915992), (22, 832720), (28, 654280), (32, 572495), (35, 523424), (40, 457996), (44, 416360), (55, 333088), (56, 327140), (70, 261712), (77, 237920), (80, 228998), (88, 208180), (110, 166544), (112, 163570), (140, 130856), (154, 118960), (160, 114499), (176, 104090), (220, 83272), (224, 81785), (280, 65428), (308, 59480), (352, 52045), (385, 47584), (440, 41636), (560, 32714), (616, 29740), (770, 23792), (880, 20818), (1120, 16357), (1232, 14870), (1487, 12320), (1540, 11896), (1760, 10409), (2464, 7435), (2974, 6160), (3080, 5948)]