19380470

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7369}}^1$

素因数の和:7639

約数の個数: 16

約数和(自身を含む): 35022240

約数和(自身を除く): 15641770

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 7369, 14738, 36845, 73690, 1938047, 3876094, 9690235, 19380470]

約数ペア:

[(1, 19380470), (2, 9690235), (5, 3876094), (10, 1938047), (263, 73690), (526, 36845), (1315, 14738), (2630, 7369)]