18768541

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 21123648

約数和(自身を除く): 2355107

約数列:

[1, 11, 61, 83, 337, 671, 913, 3707, 5063, 20557, 27971, 55693, 226127, 307681, 1706231, 18768541]

約数ペア:

[(1, 18768541), (11, 1706231), (61, 307681), (83, 226127), (337, 55693), (671, 27971), (913, 20557), (3707, 5063)]