18785594518

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1\times {\mathrm{709}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 28627200000

約数和(自身を除く): 9841605482

約数列:

[1, 2, 139, 191, 278, 382, 499, 709, 998, 1418, 26549, 53098, 69361, 95309, 98551, 135419, 138722, 190618, 197102, 270838, 353791, 707582, 13247951, 18823241, 26495902, 37646482, 49176949, 67574081, 98353898, 135148162, 9392797259, 18785594518]

約数ペア:

[(1, 18785594518), (2, 9392797259), (139, 135148162), (191, 98353898), (278, 67574081), (382, 49176949), (499, 37646482), (709, 26495902), (998, 18823241), (1418, 13247951), (26549, 707582), (53098, 353791), (69361, 270838), (95309, 197102), (98551, 190618), (135419, 138722)]