19310396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22247}}^1$

素因数の和:22289

約数の個数: 24

約数和(自身を含む): 39868416

約数和(自身を除く): 20558020

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22247, 44494, 88988, 155729, 311458, 622916, 689657, 1379314, 2758628, 4827599, 9655198, 19310396]

約数ペア:

[(1, 19310396), (2, 9655198), (4, 4827599), (7, 2758628), (14, 1379314), (28, 689657), (31, 622916), (62, 311458), (124, 155729), (217, 88988), (434, 44494), (868, 22247)]