18994068

素因数分解:

$2^2\times 3^3\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 49479360

約数和(自身を除く): 30485292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 397, 443, 794, 886, 1191, 1329, 1588, 1772, 2382, 2658, 3573, 3987, 4764, 5316, 7146, 7974, 10719, 11961, 14292, 15948, 21438, 23922, 42876, 47844, 175871, 351742, 527613, 703484, 1055226, 1582839, 2110452, 3165678, 4748517, 6331356, 9497034, 18994068]

約数ペア:

[(1, 18994068), (2, 9497034), (3, 6331356), (4, 4748517), (6, 3165678), (9, 2110452), (12, 1582839), (18, 1055226), (27, 703484), (36, 527613), (54, 351742), (108, 175871), (397, 47844), (443, 42876), (794, 23922), (886, 21438), (1191, 15948), (1329, 14292), (1588, 11961), (1772, 10719), (2382, 7974), (2658, 7146), (3573, 5316), (3987, 4764)]