19668480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 160

約数和(自身を含む): 68058144

約数和(自身を除く): 48389664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 197, 208, 240, 256, 260, 312, 320, 384, 390, 394, 416, 480, 512, 520, 591, 624, 640, 768, 780, 788, 832, 960, 985, 1040, 1182, 1248, 1280, 1536, 1560, 1576, 1664, 1920, 1970, 2080, 2364, 2496, 2560, 2561, 2955, 3120, 3152, 3328, 3840, 3940, 4160, 4728, 4992, 5122, 5910, 6240, 6304, 6656, 7680, 7683, 7880, 8320, 9456, 9984, 10244, 11820, 12480, 12608, 12805, 15366, 15760, 16640, 18912, 19968, 20488, 23640, 24960, 25216, 25610, 30732, 31520, 33280, 37824, 38415, 40976, 47280, 49920, 50432, 51220, 61464, 63040, 75648, 76830, 81952, 94560, 99840, 100864, 102440, 122928, 126080, 151296, 153660, 163904, 189120, 204880, 245856, 252160, 302592, 307320, 327808, 378240, 409760, 491712, 504320, 614640, 655616, 756480, 819520, 983424, 1229280, 1311232, 1512960, 1639040, 1966848, 2458560, 3278080, 3933696, 4917120, 6556160, 9834240, 19668480]

約数ペア:

[(1, 19668480), (2, 9834240), (3, 6556160), (4, 4917120), (5, 3933696), (6, 3278080), (8, 2458560), (10, 1966848), (12, 1639040), (13, 1512960), (15, 1311232), (16, 1229280), (20, 983424), (24, 819520), (26, 756480), (30, 655616), (32, 614640), (39, 504320), (40, 491712), (48, 409760), (52, 378240), (60, 327808), (64, 307320), (65, 302592), (78, 252160), (80, 245856), (96, 204880), (104, 189120), (120, 163904), (128, 153660), (130, 151296), (156, 126080), (160, 122928), (192, 102440), (195, 100864), (197, 99840), (208, 94560), (240, 81952), (256, 76830), (260, 75648), (312, 63040), (320, 61464), (384, 51220), (390, 50432), (394, 49920), (416, 47280), (480, 40976), (512, 38415), (520, 37824), (591, 33280), (624, 31520), (640, 30732), (768, 25610), (780, 25216), (788, 24960), (832, 23640), (960, 20488), (985, 19968), (1040, 18912), (1182, 16640), (1248, 15760), (1280, 15366), (1536, 12805), (1560, 12608), (1576, 12480), (1664, 11820), (1920, 10244), (1970, 9984), (2080, 9456), (2364, 8320), (2496, 7880), (2560, 7683), (2561, 7680), (2955, 6656), (3120, 6304), (3152, 6240), (3328, 5910), (3840, 5122), (3940, 4992), (4160, 4728)]