19544409

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2389}}^1$

素因数の和:2502

約数の個数: 20

約数和(自身を含む): 29497380

約数和(自身を除く): 9952971

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2389, 2727, 7167, 8181, 21501, 64503, 193509, 241289, 723867, 2171601, 6514803, 19544409]

約数ペア:

[(1, 19544409), (3, 6514803), (9, 2171601), (27, 723867), (81, 241289), (101, 193509), (303, 64503), (909, 21501), (2389, 8181), (2727, 7167)]