18737961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 10458327

約数列:

[1, 3, 11, 17, 33, 51, 127, 187, 263, 381, 561, 789, 1397, 2159, 2893, 4191, 4471, 6477, 8679, 13413, 23749, 33401, 49181, 71247, 100203, 147543, 367411, 567817, 1102233, 1703451, 6245987, 18737961]

約数ペア:

[(1, 18737961), (3, 6245987), (11, 1703451), (17, 1102233), (33, 567817), (51, 367411), (127, 147543), (187, 100203), (263, 71247), (381, 49181), (561, 33401), (789, 23749), (1397, 13413), (2159, 8679), (2893, 6477), (4191, 4471)]