19052397

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 34722688

約数和(自身を除く): 15670291

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 541, 559, 819, 903, 1623, 1677, 2709, 3787, 3913, 4869, 5031, 7033, 11361, 11739, 21099, 23263, 34083, 35217, 49231, 63297, 69789, 147693, 162841, 209367, 302419, 443079, 488523, 907257, 1465569, 2116933, 2721771, 6350799, 19052397]

約数ペア:

[(1, 19052397), (3, 6350799), (7, 2721771), (9, 2116933), (13, 1465569), (21, 907257), (39, 488523), (43, 443079), (63, 302419), (91, 209367), (117, 162841), (129, 147693), (273, 69789), (301, 63297), (387, 49231), (541, 35217), (559, 34083), (819, 23263), (903, 21099), (1623, 11739), (1677, 11361), (2709, 7033), (3787, 5031), (3913, 4869)]