18891138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4637}}^1$

素因数の和:4746

約数の個数: 32

約数和(自身を含む): 43634304

約数和(自身を除く): 24743166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 4637, 9274, 13911, 27822, 32459, 64918, 97377, 194754, 449789, 899578, 1349367, 2698734, 3148523, 6297046, 9445569, 18891138]

約数ペア:

[(1, 18891138), (2, 9445569), (3, 6297046), (6, 3148523), (7, 2698734), (14, 1349367), (21, 899578), (42, 449789), (97, 194754), (194, 97377), (291, 64918), (582, 32459), (679, 27822), (1358, 13911), (2037, 9274), (4074, 4637)]