19100278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4339}}^1$

素因数の和:4443

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 10897802

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4339, 4402, 8678, 134509, 269018, 308069, 616138, 9550139, 19100278]

約数ペア:

[(1, 19100278), (2, 9550139), (31, 616138), (62, 308069), (71, 269018), (142, 134509), (2201, 8678), (4339, 4402)]