19829264

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13619}}^1$

素因数の和:13647

約数の個数: 40

約数和(自身を含む): 47288640

約数和(自身を除く): 27459376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13619, 27238, 54476, 95333, 108952, 177047, 190666, 217904, 354094, 381332, 708188, 762664, 1239329, 1416376, 1525328, 2478658, 2832752, 4957316, 9914632, 19829264]

約数ペア:

[(1, 19829264), (2, 9914632), (4, 4957316), (7, 2832752), (8, 2478658), (13, 1525328), (14, 1416376), (16, 1239329), (26, 762664), (28, 708188), (52, 381332), (56, 354094), (91, 217904), (104, 190666), (112, 177047), (182, 108952), (208, 95333), (364, 54476), (728, 27238), (1456, 13619)]