19962159

素因数分解:

$3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 31149360

約数和(自身を除く): 11187201

約数列:

[1, 3, 7, 21, 49, 147, 229, 593, 687, 1603, 1779, 4151, 4809, 11221, 12453, 29057, 33663, 87171, 135797, 407391, 950579, 2851737, 6654053, 19962159]

約数ペア:

[(1, 19962159), (3, 6654053), (7, 2851737), (21, 950579), (49, 407391), (147, 135797), (229, 87171), (593, 33663), (687, 29057), (1603, 12453), (1779, 11221), (4151, 4809)]