18616219

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 20196000

約数和(自身を除く): 1579781

約数列:

[1, 19, 89, 101, 109, 1691, 1919, 2071, 8989, 9701, 11009, 170791, 184319, 209171, 979801, 18616219]

約数ペア:

[(1, 18616219), (19, 979801), (89, 209171), (101, 184319), (109, 170791), (1691, 11009), (1919, 9701), (2071, 8989)]