19693658

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9109}}^1$

素因数の和:9181

約数の個数: 16

約数和(自身を含む): 31484160

約数和(自身を除く): 11790502

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9109, 18218, 209507, 419014, 428123, 856246, 9846829, 19693658]

約数ペア:

[(1, 19693658), (2, 9846829), (23, 856246), (46, 428123), (47, 419014), (94, 209507), (1081, 18218), (2162, 9109)]