19215581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1531}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 24119808

約数和(自身を除く): 4904227

約数列:

[1, 7, 11, 77, 163, 1141, 1531, 1793, 10717, 12551, 16841, 117887, 249553, 1746871, 2745083, 19215581]

約数ペア:

[(1, 19215581), (7, 2745083), (11, 1746871), (77, 249553), (163, 117887), (1141, 16841), (1531, 12551), (1793, 10717)]