19170958

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 31212288

約数和(自身を除く): 12041330

約数列:

[1, 2, 31, 37, 61, 62, 74, 122, 137, 274, 1147, 1891, 2257, 2294, 3782, 4247, 4514, 5069, 8357, 8494, 10138, 16714, 69967, 139934, 157139, 259067, 309209, 314278, 518134, 618418, 9585479, 19170958]

約数ペア:

[(1, 19170958), (2, 9585479), (31, 618418), (37, 518134), (61, 314278), (62, 309209), (74, 259067), (122, 157139), (137, 139934), (274, 69967), (1147, 16714), (1891, 10138), (2257, 8494), (2294, 8357), (3782, 5069), (4247, 4514)]