18921903

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6301}}^1$

素因数の和:6335

約数の個数: 32

約数和(自身を含む): 33879552

約数和(自身を除く): 14957649

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6301, 18903, 44107, 69311, 81913, 132321, 207933, 245739, 485177, 573391, 901043, 1455531, 1720173, 2703129, 6307301, 18921903]

約数ペア:

[(1, 18921903), (3, 6307301), (7, 2703129), (11, 1720173), (13, 1455531), (21, 901043), (33, 573391), (39, 485177), (77, 245739), (91, 207933), (143, 132321), (231, 81913), (273, 69311), (429, 44107), (1001, 18903), (3003, 6301)]