19485021

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 26526528

約数和(自身を除く): 7041507

約数列:

[1, 3, 101, 107, 303, 321, 601, 1803, 10807, 32421, 60701, 64307, 182103, 192921, 6495007, 19485021]

約数ペア:

[(1, 19485021), (3, 6495007), (101, 192921), (107, 182103), (303, 64307), (321, 60701), (601, 32421), (1803, 10807)]