18331354

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 29855232

約数和(自身を除く): 11523878

約数列:

[1, 2, 31, 37, 61, 62, 74, 122, 131, 262, 1147, 1891, 2257, 2294, 3782, 4061, 4514, 4847, 7991, 8122, 9694, 15982, 69967, 139934, 150257, 247721, 295667, 300514, 495442, 591334, 9165677, 18331354]

約数ペア:

[(1, 18331354), (2, 9165677), (31, 591334), (37, 495442), (61, 300514), (62, 295667), (74, 247721), (122, 150257), (131, 139934), (262, 69967), (1147, 15982), (1891, 9694), (2257, 8122), (2294, 7991), (3782, 4847), (4061, 4514)]