17189680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 43211520

約数和(自身を除く): 26021840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 263, 304, 344, 380, 430, 526, 688, 760, 817, 860, 1052, 1315, 1520, 1634, 1720, 2104, 2630, 3268, 3440, 4085, 4208, 4997, 5260, 6536, 8170, 9994, 10520, 11309, 13072, 16340, 19988, 21040, 22618, 24985, 32680, 39976, 45236, 49970, 56545, 65360, 79952, 90472, 99940, 113090, 180944, 199880, 214871, 226180, 399760, 429742, 452360, 859484, 904720, 1074355, 1718968, 2148710, 3437936, 4297420, 8594840, 17189680]

約数ペア:

[(1, 17189680), (2, 8594840), (4, 4297420), (5, 3437936), (8, 2148710), (10, 1718968), (16, 1074355), (19, 904720), (20, 859484), (38, 452360), (40, 429742), (43, 399760), (76, 226180), (80, 214871), (86, 199880), (95, 180944), (152, 113090), (172, 99940), (190, 90472), (215, 79952), (263, 65360), (304, 56545), (344, 49970), (380, 45236), (430, 39976), (526, 32680), (688, 24985), (760, 22618), (817, 21040), (860, 19988), (1052, 16340), (1315, 13072), (1520, 11309), (1634, 10520), (1720, 9994), (2104, 8170), (2630, 6536), (3268, 5260), (3440, 4997), (4085, 4208)]