16919253

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 29568000

約数和(自身を除く): 12648747

約数列:

[1, 3, 9, 13, 19, 27, 39, 43, 57, 59, 117, 129, 171, 177, 247, 351, 387, 513, 531, 559, 741, 767, 817, 1121, 1161, 1593, 1677, 2223, 2301, 2451, 2537, 3363, 5031, 6669, 6903, 7353, 7611, 10089, 10621, 14573, 15093, 20709, 22059, 22833, 30267, 31863, 32981, 43719, 48203, 68499, 95589, 98943, 131157, 144609, 286767, 296829, 393471, 433827, 626639, 890487, 1301481, 1879917, 5639751, 16919253]

約数ペア:

[(1, 16919253), (3, 5639751), (9, 1879917), (13, 1301481), (19, 890487), (27, 626639), (39, 433827), (43, 393471), (57, 296829), (59, 286767), (117, 144609), (129, 131157), (171, 98943), (177, 95589), (247, 68499), (351, 48203), (387, 43719), (513, 32981), (531, 31863), (559, 30267), (741, 22833), (767, 22059), (817, 20709), (1121, 15093), (1161, 14573), (1593, 10621), (1677, 10089), (2223, 7611), (2301, 7353), (2451, 6903), (2537, 6669), (3363, 5031)]