19557099

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 31008000

約数和(自身を除く): 11450901

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 569, 603, 1273, 1707, 1809, 3819, 5121, 10811, 11457, 15363, 32433, 34371, 38123, 97299, 114369, 291897, 343107, 724337, 1029321, 2173011, 6519033, 19557099]

約数ペア:

[(1, 19557099), (3, 6519033), (9, 2173011), (19, 1029321), (27, 724337), (57, 343107), (67, 291897), (171, 114369), (201, 97299), (513, 38123), (569, 34371), (603, 32433), (1273, 15363), (1707, 11457), (1809, 10811), (3819, 5121)]