19481897

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 21648000

約数和(自身を除く): 2166103

約数列:

[1, 19, 23, 109, 409, 437, 2071, 2507, 7771, 9407, 44581, 47633, 178733, 847039, 1025363, 19481897]

約数ペア:

[(1, 19481897), (19, 1025363), (23, 847039), (109, 178733), (409, 47633), (437, 44581), (2071, 9407), (2507, 7771)]