18961257

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19211}}^1$

素因数の和:19268

約数の個数: 16

約数和(自身を含む): 29509632

約数和(自身を除く): 10548375

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19211, 57633, 134477, 403431, 902917, 2708751, 6320419, 18961257]

約数ペア:

[(1, 18961257), (3, 6320419), (7, 2708751), (21, 902917), (47, 403431), (141, 134477), (329, 57633), (987, 19211)]