642618

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1906

約数の個数: 24

約数和(自身を含む): 1466400

約数和(自身を除く): 823782

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 1879, 3758, 5637, 11274, 16911, 33822, 35701, 71402, 107103, 214206, 321309, 642618]

約数ペア:

[(1, 642618), (2, 321309), (3, 214206), (6, 107103), (9, 71402), (18, 35701), (19, 33822), (38, 16911), (57, 11274), (114, 5637), (171, 3758), (342, 1879)]