19877637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1801}}^1$

素因数の和:2100

約数の個数: 16

約数和(自身を含む): 28659008

約数和(自身を除く): 8781371

約数列:

[1, 3, 13, 39, 283, 849, 1801, 3679, 5403, 11037, 23413, 70239, 509683, 1529049, 6625879, 19877637]

約数ペア:

[(1, 19877637), (3, 6625879), (13, 1529049), (39, 509683), (283, 70239), (849, 23413), (1801, 11037), (3679, 5403)]