638122942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{1549}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 1038996000

約数和(自身を除く): 400873058

約数列:

[1, 2, 19, 37, 38, 74, 293, 586, 703, 1406, 1549, 3098, 5567, 10841, 11134, 21682, 29431, 57313, 58862, 114626, 205979, 411958, 453857, 907714, 1088947, 2177894, 8623283, 16792709, 17246566, 33585418, 319061471, 638122942]

約数ペア:

[(1, 638122942), (2, 319061471), (19, 33585418), (37, 17246566), (38, 16792709), (74, 8623283), (293, 2177894), (586, 1088947), (703, 907714), (1406, 453857), (1549, 411958), (3098, 205979), (5567, 114626), (10841, 58862), (11134, 57313), (21682, 29431)]