19402089

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1483}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 30451680

約数和(自身を除く): 11049591

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1483, 1869, 4361, 4449, 10381, 13083, 31143, 72667, 131987, 218001, 395961, 923909, 2771727, 6467363, 19402089]

約数ペア:

[(1, 19402089), (3, 6467363), (7, 2771727), (21, 923909), (49, 395961), (89, 218001), (147, 131987), (267, 72667), (623, 31143), (1483, 13083), (1869, 10381), (4361, 4449)]