19119856

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3221}}^1$

素因数の和:3289

約数の個数: 40

約数和(自身を含む): 43149024

約数和(自身を除く): 24029168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3221, 5936, 6442, 12884, 22547, 25768, 45094, 51536, 90188, 170713, 180376, 341426, 360752, 682852, 1194991, 1365704, 2389982, 2731408, 4779964, 9559928, 19119856]

約数ペア:

[(1, 19119856), (2, 9559928), (4, 4779964), (7, 2731408), (8, 2389982), (14, 1365704), (16, 1194991), (28, 682852), (53, 360752), (56, 341426), (106, 180376), (112, 170713), (212, 90188), (371, 51536), (424, 45094), (742, 25768), (848, 22547), (1484, 12884), (2968, 6442), (3221, 5936)]