19804239

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24181}}^1$

素因数の和:24207

約数の個数: 24

約数和(自身を含む): 35208992

約数和(自身を除く): 15404753

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24181, 72543, 169267, 217629, 314353, 507801, 943059, 1523403, 2200471, 2829177, 6601413, 19804239]

約数ペア:

[(1, 19804239), (3, 6601413), (7, 2829177), (9, 2200471), (13, 1523403), (21, 943059), (39, 507801), (63, 314353), (91, 217629), (117, 169267), (273, 72543), (819, 24181)]