18696960

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{541}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 66470880

約数和(自身を除く): 47773920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 541, 576, 640, 720, 768, 864, 960, 1080, 1082, 1152, 1280, 1440, 1623, 1728, 1920, 2160, 2164, 2304, 2705, 2880, 3246, 3456, 3840, 4320, 4328, 4869, 5410, 5760, 6492, 6912, 8115, 8640, 8656, 9738, 10820, 11520, 12984, 14607, 16230, 17280, 17312, 19476, 21640, 24345, 25968, 29214, 32460, 34560, 34624, 38952, 43280, 48690, 51936, 58428, 64920, 69248, 73035, 77904, 86560, 97380, 103872, 116856, 129840, 138496, 146070, 155808, 173120, 194760, 207744, 233712, 259680, 292140, 311616, 346240, 389520, 415488, 467424, 519360, 584280, 623232, 692480, 779040, 934848, 1038720, 1168560, 1246464, 1558080, 1869696, 2077440, 2337120, 3116160, 3739392, 4674240, 6232320, 9348480, 18696960]

約数ペア:

[(1, 18696960), (2, 9348480), (3, 6232320), (4, 4674240), (5, 3739392), (6, 3116160), (8, 2337120), (9, 2077440), (10, 1869696), (12, 1558080), (15, 1246464), (16, 1168560), (18, 1038720), (20, 934848), (24, 779040), (27, 692480), (30, 623232), (32, 584280), (36, 519360), (40, 467424), (45, 415488), (48, 389520), (54, 346240), (60, 311616), (64, 292140), (72, 259680), (80, 233712), (90, 207744), (96, 194760), (108, 173120), (120, 155808), (128, 146070), (135, 138496), (144, 129840), (160, 116856), (180, 103872), (192, 97380), (216, 86560), (240, 77904), (256, 73035), (270, 69248), (288, 64920), (320, 58428), (360, 51936), (384, 48690), (432, 43280), (480, 38952), (540, 34624), (541, 34560), (576, 32460), (640, 29214), (720, 25968), (768, 24345), (864, 21640), (960, 19476), (1080, 17312), (1082, 17280), (1152, 16230), (1280, 14607), (1440, 12984), (1623, 11520), (1728, 10820), (1920, 9738), (2160, 8656), (2164, 8640), (2304, 8115), (2705, 6912), (2880, 6492), (3246, 5760), (3456, 5410), (3840, 4869), (4320, 4328)]