1639448912

素因数分解:

$2^4\times {\mathrm{4909}}^1\times {\mathrm{20873}}^1$

素因数の和:25790

約数の個数: 20

約数和(自身を含む): 3177231540

約数和(自身を除く): 1537782628

約数列:

[1, 2, 4, 8, 16, 4909, 9818, 19636, 20873, 39272, 41746, 78544, 83492, 166984, 333968, 102465557, 204931114, 409862228, 819724456, 1639448912]

約数ペア:

[(1, 1639448912), (2, 819724456), (4, 409862228), (8, 204931114), (16, 102465557), (4909, 333968), (9818, 166984), (19636, 83492), (20873, 78544), (39272, 41746)]