19401939

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 29158272

約数和(自身を除く): 9756333

約数列:

[1, 3, 9, 31, 93, 197, 279, 353, 591, 1059, 1773, 3177, 6107, 10943, 18321, 32829, 54963, 69541, 98487, 208623, 625869, 2155771, 6467313, 19401939]

約数ペア:

[(1, 19401939), (3, 6467313), (9, 2155771), (31, 625869), (93, 208623), (197, 98487), (279, 69541), (353, 54963), (591, 32829), (1059, 18321), (1773, 10943), (3177, 6107)]