15990618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{380729}}^1$

素因数の和:380741

約数の個数: 16

約数和(自身を含む): 36550080

約数和(自身を除く): 20559462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 380729, 761458, 1142187, 2284374, 2665103, 5330206, 7995309, 15990618]

約数ペア:

[(1, 15990618), (2, 7995309), (3, 5330206), (6, 2665103), (7, 2284374), (14, 1142187), (21, 761458), (42, 380729)]