989780186

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{5167}}^1$

素因数の和:5330

約数の個数: 24

約数和(自身を含む): 1585439040

約数和(自身を除く): 595658854

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 5041, 5167, 10082, 10334, 95779, 98173, 191558, 196346, 366857, 733714, 6970283, 13940566, 26046847, 52093694, 494890093, 989780186]

約数ペア:

[(1, 989780186), (2, 494890093), (19, 52093694), (38, 26046847), (71, 13940566), (142, 6970283), (1349, 733714), (2698, 366857), (5041, 196346), (5167, 191558), (10082, 98173), (10334, 95779)]