19431819

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 32112432

約数和(自身を除く): 12680613

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 113, 193, 297, 339, 579, 891, 1017, 1243, 1737, 2123, 3051, 3729, 5211, 6369, 9153, 11187, 15633, 19107, 21809, 33561, 57321, 65427, 100683, 171963, 196281, 239899, 588843, 719697, 1766529, 2159091, 6477273, 19431819]

約数ペア:

[(1, 19431819), (3, 6477273), (9, 2159091), (11, 1766529), (27, 719697), (33, 588843), (81, 239899), (99, 196281), (113, 171963), (193, 100683), (297, 65427), (339, 57321), (579, 33561), (891, 21809), (1017, 19107), (1243, 15633), (1737, 11187), (2123, 9153), (3051, 6369), (3729, 5211)]