19627881

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10271}}^1$

素因数の和:10301

約数の個数: 24

約数和(自身を含む): 32788224

約数和(自身を除く): 13160343

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10271, 30813, 71897, 133523, 215691, 400569, 503279, 934661, 1509837, 2803983, 6542627, 19627881]

約数ペア:

[(1, 19627881), (3, 6542627), (7, 2803983), (13, 1509837), (21, 934661), (39, 503279), (49, 400569), (91, 215691), (147, 133523), (273, 71897), (637, 30813), (1911, 10271)]