18439260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1083

約数の個数: 96

約数和(自身を含む): 60436992

約数和(自身を除く): 41997732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1021, 1204, 1290, 1505, 1806, 2042, 2580, 3010, 3063, 3612, 4084, 4515, 5105, 6020, 6126, 7147, 9030, 10210, 12252, 14294, 15315, 18060, 20420, 21441, 28588, 30630, 35735, 42882, 43903, 61260, 71470, 85764, 87806, 107205, 131709, 142940, 175612, 214410, 219515, 263418, 307321, 428820, 439030, 526836, 614642, 658545, 878060, 921963, 1229284, 1317090, 1536605, 1843926, 2634180, 3073210, 3687852, 4609815, 6146420, 9219630, 18439260]

約数ペア:

[(1, 18439260), (2, 9219630), (3, 6146420), (4, 4609815), (5, 3687852), (6, 3073210), (7, 2634180), (10, 1843926), (12, 1536605), (14, 1317090), (15, 1229284), (20, 921963), (21, 878060), (28, 658545), (30, 614642), (35, 526836), (42, 439030), (43, 428820), (60, 307321), (70, 263418), (84, 219515), (86, 214410), (105, 175612), (129, 142940), (140, 131709), (172, 107205), (210, 87806), (215, 85764), (258, 71470), (301, 61260), (420, 43903), (430, 42882), (516, 35735), (602, 30630), (645, 28588), (860, 21441), (903, 20420), (1021, 18060), (1204, 15315), (1290, 14294), (1505, 12252), (1806, 10210), (2042, 9030), (2580, 7147), (3010, 6126), (3063, 6020), (3612, 5105), (4084, 4515)]