18746000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 160

約数和(自身を含む): 56329728

約数和(自身を除く): 37583728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 103, 104, 112, 125, 130, 140, 175, 182, 200, 206, 208, 250, 260, 280, 325, 350, 364, 400, 412, 455, 500, 515, 520, 560, 650, 700, 721, 728, 824, 875, 910, 1000, 1030, 1040, 1300, 1339, 1400, 1442, 1456, 1625, 1648, 1750, 1820, 2000, 2060, 2275, 2575, 2600, 2678, 2800, 2884, 3250, 3500, 3605, 3640, 4120, 4550, 5150, 5200, 5356, 5768, 6500, 6695, 7000, 7210, 7280, 8240, 9100, 9373, 10300, 10712, 11375, 11536, 12875, 13000, 13390, 14000, 14420, 18025, 18200, 18746, 20600, 21424, 22750, 25750, 26000, 26780, 28840, 33475, 36050, 36400, 37492, 41200, 45500, 46865, 51500, 53560, 57680, 66950, 72100, 74984, 90125, 91000, 93730, 103000, 107120, 133900, 144200, 149968, 167375, 180250, 182000, 187460, 206000, 234325, 267800, 288400, 334750, 360500, 374920, 468650, 535600, 669500, 721000, 749840, 937300, 1171625, 1339000, 1442000, 1874600, 2343250, 2678000, 3749200, 4686500, 9373000, 18746000]

約数ペア:

[(1, 18746000), (2, 9373000), (4, 4686500), (5, 3749200), (7, 2678000), (8, 2343250), (10, 1874600), (13, 1442000), (14, 1339000), (16, 1171625), (20, 937300), (25, 749840), (26, 721000), (28, 669500), (35, 535600), (40, 468650), (50, 374920), (52, 360500), (56, 334750), (65, 288400), (70, 267800), (80, 234325), (91, 206000), (100, 187460), (103, 182000), (104, 180250), (112, 167375), (125, 149968), (130, 144200), (140, 133900), (175, 107120), (182, 103000), (200, 93730), (206, 91000), (208, 90125), (250, 74984), (260, 72100), (280, 66950), (325, 57680), (350, 53560), (364, 51500), (400, 46865), (412, 45500), (455, 41200), (500, 37492), (515, 36400), (520, 36050), (560, 33475), (650, 28840), (700, 26780), (721, 26000), (728, 25750), (824, 22750), (875, 21424), (910, 20600), (1000, 18746), (1030, 18200), (1040, 18025), (1300, 14420), (1339, 14000), (1400, 13390), (1442, 13000), (1456, 12875), (1625, 11536), (1648, 11375), (1750, 10712), (1820, 10300), (2000, 9373), (2060, 9100), (2275, 8240), (2575, 7280), (2600, 7210), (2678, 7000), (2800, 6695), (2884, 6500), (3250, 5768), (3500, 5356), (3605, 5200), (3640, 5150), (4120, 4550)]