190021489

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20123}}^1$

素因数の和:20220

約数の個数: 16

約数和(自身を含む): 231828480

約数和(自身を除く): 41806991

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 20123, 140861, 382337, 1428733, 2676359, 10001131, 27145927, 190021489]

約数ペア:

[(1, 190021489), (7, 27145927), (19, 10001131), (71, 2676359), (133, 1428733), (497, 382337), (1349, 140861), (9443, 20123)]