19379087

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 6167665

約数列:

[1, 7, 13, 23, 47, 91, 161, 197, 299, 329, 611, 1081, 1379, 2093, 2561, 4277, 4531, 7567, 9259, 14053, 17927, 31717, 58903, 64813, 98371, 120367, 212957, 412321, 842569, 1490699, 2768441, 19379087]

約数ペア:

[(1, 19379087), (7, 2768441), (13, 1490699), (23, 842569), (47, 412321), (91, 212957), (161, 120367), (197, 98371), (299, 64813), (329, 58903), (611, 31717), (1081, 17927), (1379, 14053), (2093, 9259), (2561, 7567), (4277, 4531)]