19413680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1734

約数の個数: 80

約数和(自身を含む): 53059104

約数和(自身を除く): 33645424

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1697, 2288, 2860, 3394, 5720, 6788, 8485, 11440, 13576, 16970, 18667, 22061, 27152, 33940, 37334, 44122, 67880, 74668, 88244, 93335, 110305, 135760, 149336, 176488, 186670, 220610, 242671, 298672, 352976, 373340, 441220, 485342, 746680, 882440, 970684, 1213355, 1493360, 1764880, 1941368, 2426710, 3882736, 4853420, 9706840, 19413680]

約数ペア:

[(1, 19413680), (2, 9706840), (4, 4853420), (5, 3882736), (8, 2426710), (10, 1941368), (11, 1764880), (13, 1493360), (16, 1213355), (20, 970684), (22, 882440), (26, 746680), (40, 485342), (44, 441220), (52, 373340), (55, 352976), (65, 298672), (80, 242671), (88, 220610), (104, 186670), (110, 176488), (130, 149336), (143, 135760), (176, 110305), (208, 93335), (220, 88244), (260, 74668), (286, 67880), (440, 44122), (520, 37334), (572, 33940), (715, 27152), (880, 22061), (1040, 18667), (1144, 16970), (1430, 13576), (1697, 11440), (2288, 8485), (2860, 6788), (3394, 5720)]