4019013

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{1237}}^1$

素因数の和:1281

約数の個数: 18

約数和(自身を含む): 6131814

約数和(自身を除く): 2112801

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 1237, 3249, 3711, 11133, 23503, 70509, 211527, 446557, 1339671, 4019013]

約数ペア:

[(1, 4019013), (3, 1339671), (9, 446557), (19, 211527), (57, 70509), (171, 23503), (361, 11133), (1083, 3711), (1237, 3249)]