19171911

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 28600704

約数和(自身を除く): 9428793

約数列:

[1, 3, 11, 33, 47, 141, 263, 517, 789, 1551, 2209, 2893, 6627, 8679, 12361, 24299, 37083, 72897, 135971, 407913, 580967, 1742901, 6390637, 19171911]

約数ペア:

[(1, 19171911), (3, 6390637), (11, 1742901), (33, 580967), (47, 407913), (141, 135971), (263, 72897), (517, 37083), (789, 24299), (1551, 12361), (2209, 8679), (2893, 6627)]