199820912

素因数分解:

$2^4\times {\mathrm{2203}}^1\times {\mathrm{5669}}^1$

素因数の和:7880

約数の個数: 20

約数和(自身を含む): 387397080

約数和(自身を除く): 187576168

約数列:

[1, 2, 4, 8, 16, 2203, 4406, 5669, 8812, 11338, 17624, 22676, 35248, 45352, 90704, 12488807, 24977614, 49955228, 99910456, 199820912]

約数ペア:

[(1, 199820912), (2, 99910456), (4, 49955228), (8, 24977614), (16, 12488807), (2203, 90704), (4406, 45352), (5669, 35248), (8812, 22676), (11338, 17624)]