19000023

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 30260736

約数和(自身を除く): 11260713

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 397, 903, 1113, 1191, 2279, 2779, 6837, 8337, 15953, 17071, 21041, 47859, 51213, 63123, 119497, 147287, 358491, 441861, 904763, 2714289, 6333341, 19000023]

約数ペア:

[(1, 19000023), (3, 6333341), (7, 2714289), (21, 904763), (43, 441861), (53, 358491), (129, 147287), (159, 119497), (301, 63123), (371, 51213), (397, 47859), (903, 21041), (1113, 17071), (1191, 15953), (2279, 8337), (2779, 6837)]