18712320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 65342592

約数和(自身を除く): 46630272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 443, 480, 528, 640, 660, 704, 768, 880, 886, 960, 1056, 1280, 1320, 1329, 1408, 1760, 1772, 1920, 2112, 2215, 2640, 2658, 2816, 3520, 3544, 3840, 4224, 4430, 4873, 5280, 5316, 6645, 7040, 7088, 8448, 8860, 9746, 10560, 10632, 13290, 14080, 14176, 14619, 17720, 19492, 21120, 21264, 24365, 26580, 28352, 29238, 35440, 38984, 42240, 42528, 48730, 53160, 56704, 58476, 70880, 73095, 77968, 85056, 97460, 106320, 113408, 116952, 141760, 146190, 155936, 170112, 194920, 212640, 233904, 283520, 292380, 311872, 340224, 389840, 425280, 467808, 567040, 584760, 623744, 779680, 850560, 935616, 1169520, 1247488, 1559360, 1701120, 1871232, 2339040, 3118720, 3742464, 4678080, 6237440, 9356160, 18712320]

約数ペア:

[(1, 18712320), (2, 9356160), (3, 6237440), (4, 4678080), (5, 3742464), (6, 3118720), (8, 2339040), (10, 1871232), (11, 1701120), (12, 1559360), (15, 1247488), (16, 1169520), (20, 935616), (22, 850560), (24, 779680), (30, 623744), (32, 584760), (33, 567040), (40, 467808), (44, 425280), (48, 389840), (55, 340224), (60, 311872), (64, 292380), (66, 283520), (80, 233904), (88, 212640), (96, 194920), (110, 170112), (120, 155936), (128, 146190), (132, 141760), (160, 116952), (165, 113408), (176, 106320), (192, 97460), (220, 85056), (240, 77968), (256, 73095), (264, 70880), (320, 58476), (330, 56704), (352, 53160), (384, 48730), (440, 42528), (443, 42240), (480, 38984), (528, 35440), (640, 29238), (660, 28352), (704, 26580), (768, 24365), (880, 21264), (886, 21120), (960, 19492), (1056, 17720), (1280, 14619), (1320, 14176), (1329, 14080), (1408, 13290), (1760, 10632), (1772, 10560), (1920, 9746), (2112, 8860), (2215, 8448), (2640, 7088), (2658, 7040), (2816, 6645), (3520, 5316), (3544, 5280), (3840, 4873), (4224, 4430)]