19820073

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 32972800

約数和(自身を除く): 13152727

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 919, 1027, 1659, 2757, 3081, 6433, 7189, 11947, 19299, 21567, 35841, 72601, 83629, 217803, 250887, 508207, 943813, 1524621, 2831439, 6606691, 19820073]

約数ペア:

[(1, 19820073), (3, 6606691), (7, 2831439), (13, 1524621), (21, 943813), (39, 508207), (79, 250887), (91, 217803), (237, 83629), (273, 72601), (553, 35841), (919, 21567), (1027, 19299), (1659, 11947), (2757, 7189), (3081, 6433)]