19821123

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 35692800

約数和(自身を除く): 15871677

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 571, 609, 1197, 1653, 1713, 1827, 3857, 3997, 4959, 5139, 10849, 11571, 11991, 16559, 32547, 34713, 35973, 49677, 75943, 97641, 115913, 149031, 227829, 314621, 347739, 683487, 943863, 1043217, 2202347, 2831589, 6607041, 19821123]

約数ペア:

[(1, 19821123), (3, 6607041), (7, 2831589), (9, 2202347), (19, 1043217), (21, 943863), (29, 683487), (57, 347739), (63, 314621), (87, 227829), (133, 149031), (171, 115913), (203, 97641), (261, 75943), (399, 49677), (551, 35973), (571, 34713), (609, 32547), (1197, 16559), (1653, 11991), (1713, 11571), (1827, 10849), (3857, 5139), (3997, 4959)]