18921760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:866

約数の個数: 96

約数和(自身を含む): 52581312

約数和(自身を除く): 33659552

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 827, 880, 1040, 1144, 1430, 1654, 1760, 2080, 2288, 2860, 3308, 4135, 4576, 5720, 6616, 8270, 9097, 10751, 11440, 13232, 16540, 18194, 21502, 22880, 26464, 33080, 36388, 43004, 45485, 53755, 66160, 72776, 86008, 90970, 107510, 118261, 132320, 145552, 172016, 181940, 215020, 236522, 291104, 344032, 363880, 430040, 473044, 591305, 727760, 860080, 946088, 1182610, 1455520, 1720160, 1892176, 2365220, 3784352, 4730440, 9460880, 18921760]

約数ペア:

[(1, 18921760), (2, 9460880), (4, 4730440), (5, 3784352), (8, 2365220), (10, 1892176), (11, 1720160), (13, 1455520), (16, 1182610), (20, 946088), (22, 860080), (26, 727760), (32, 591305), (40, 473044), (44, 430040), (52, 363880), (55, 344032), (65, 291104), (80, 236522), (88, 215020), (104, 181940), (110, 172016), (130, 145552), (143, 132320), (160, 118261), (176, 107510), (208, 90970), (220, 86008), (260, 72776), (286, 66160), (352, 53755), (416, 45485), (440, 43004), (520, 36388), (572, 33080), (715, 26464), (827, 22880), (880, 21502), (1040, 18194), (1144, 16540), (1430, 13232), (1654, 11440), (1760, 10751), (2080, 9097), (2288, 8270), (2860, 6616), (3308, 5720), (4135, 4576)]