19712912

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{6883}}^1$

素因数の和:7070

約数の個数: 20

約数和(自身を含む): 38412720

約数和(自身を除く): 18699808

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 6883, 13766, 27532, 55064, 110128, 1232057, 2464114, 4928228, 9856456, 19712912]

約数ペア:

[(1, 19712912), (2, 9856456), (4, 4928228), (8, 2464114), (16, 1232057), (179, 110128), (358, 55064), (716, 27532), (1432, 13766), (2864, 6883)]