18442099179

素因数分解:

$3^2\times 7^3\times {\mathrm{787}}^1\times {\mathrm{7591}}^1$

素因数の和:8405

約数の個数: 48

約数和(自身を含む): 31108979200

約数和(自身を除く): 12666880021

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 787, 1029, 2361, 3087, 5509, 7083, 7591, 16527, 22773, 38563, 49581, 53137, 68319, 115689, 159411, 269941, 347067, 371959, 478233, 809823, 1115877, 2429469, 2603713, 3347631, 5974117, 7811139, 17922351, 23433417, 41818819, 53767053, 125456457, 292731733, 376369371, 878195199, 2049122131, 2634585597, 6147366393, 18442099179]

約数ペア:

[(1, 18442099179), (3, 6147366393), (7, 2634585597), (9, 2049122131), (21, 878195199), (49, 376369371), (63, 292731733), (147, 125456457), (343, 53767053), (441, 41818819), (787, 23433417), (1029, 17922351), (2361, 7811139), (3087, 5974117), (5509, 3347631), (7083, 2603713), (7591, 2429469), (16527, 1115877), (22773, 809823), (38563, 478233), (49581, 371959), (53137, 347067), (68319, 269941), (115689, 159411)]