19216080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2085

約数の個数: 120

約数和(自身を含む): 69532008

約数和(自身を除く): 50315928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2053, 2340, 3120, 4106, 4680, 6159, 8212, 9360, 10265, 12318, 16424, 18477, 20530, 24636, 26689, 30795, 32848, 36954, 41060, 49272, 53378, 61590, 73908, 80067, 82120, 92385, 98544, 106756, 123180, 133445, 147816, 160134, 164240, 184770, 213512, 240201, 246360, 266890, 295632, 320268, 369540, 400335, 427024, 480402, 492720, 533780, 640536, 739080, 800670, 960804, 1067560, 1201005, 1281072, 1478160, 1601340, 1921608, 2135120, 2402010, 3202680, 3843216, 4804020, 6405360, 9608040, 19216080]

約数ペア:

[(1, 19216080), (2, 9608040), (3, 6405360), (4, 4804020), (5, 3843216), (6, 3202680), (8, 2402010), (9, 2135120), (10, 1921608), (12, 1601340), (13, 1478160), (15, 1281072), (16, 1201005), (18, 1067560), (20, 960804), (24, 800670), (26, 739080), (30, 640536), (36, 533780), (39, 492720), (40, 480402), (45, 427024), (48, 400335), (52, 369540), (60, 320268), (65, 295632), (72, 266890), (78, 246360), (80, 240201), (90, 213512), (104, 184770), (117, 164240), (120, 160134), (130, 147816), (144, 133445), (156, 123180), (180, 106756), (195, 98544), (208, 92385), (234, 82120), (240, 80067), (260, 73908), (312, 61590), (360, 53378), (390, 49272), (468, 41060), (520, 36954), (585, 32848), (624, 30795), (720, 26689), (780, 24636), (936, 20530), (1040, 18477), (1170, 16424), (1560, 12318), (1872, 10265), (2053, 9360), (2340, 8212), (3120, 6159), (4106, 4680)]