19008717

素因数分解:

$3^1\times 7^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 32941440

約数和(自身を除く): 13932723

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 343, 377, 609, 637, 1029, 1131, 1421, 1911, 2401, 2639, 4263, 4459, 7203, 7917, 9947, 13377, 16807, 18473, 29841, 31213, 50421, 55419, 69629, 93639, 129311, 208887, 218491, 387933, 487403, 655473, 905177, 1462209, 2715531, 6336239, 19008717]

約数ペア:

[(1, 19008717), (3, 6336239), (7, 2715531), (13, 1462209), (21, 905177), (29, 655473), (39, 487403), (49, 387933), (87, 218491), (91, 208887), (147, 129311), (203, 93639), (273, 69629), (343, 55419), (377, 50421), (609, 31213), (637, 29841), (1029, 18473), (1131, 16807), (1421, 13377), (1911, 9947), (2401, 7917), (2639, 7203), (4263, 4459)]