19403769

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4461

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 14557191

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4421, 13263, 30947, 48631, 83999, 92841, 145893, 251997, 340417, 587993, 923989, 1021251, 1763979, 2771967, 6467923, 19403769]

約数ペア:

[(1, 19403769), (3, 6467923), (7, 2771967), (11, 1763979), (19, 1021251), (21, 923989), (33, 587993), (57, 340417), (77, 251997), (133, 145893), (209, 92841), (231, 83999), (399, 48631), (627, 30947), (1463, 13263), (4389, 4421)]