18971061

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 26040000

約数和(自身を除く): 7068939

約数列:

[1, 3, 61, 83, 183, 249, 1249, 3747, 5063, 15189, 76189, 103667, 228567, 311001, 6323687, 18971061]

約数ペア:

[(1, 18971061), (3, 6323687), (61, 311001), (83, 228567), (183, 103667), (249, 76189), (1249, 15189), (3747, 5063)]