19238769

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 31342080

約数和(自身を除く): 12103311

約数列:

[1, 3, 9, 11, 27, 33, 99, 211, 297, 307, 633, 921, 1899, 2321, 2763, 3377, 5697, 6963, 8289, 10131, 20889, 30393, 62667, 64777, 91179, 194331, 582993, 712547, 1748979, 2137641, 6412923, 19238769]

約数ペア:

[(1, 19238769), (3, 6412923), (9, 2137641), (11, 1748979), (27, 712547), (33, 582993), (99, 194331), (211, 91179), (297, 64777), (307, 62667), (633, 30393), (921, 20889), (1899, 10131), (2321, 8289), (2763, 6963), (3377, 5697)]