19643998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13327}}^1$

素因数の和:13407

約数の個数: 16

約数和(自身を含む): 32626944

約数和(自身を除く): 12982946

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13327, 26654, 146597, 293194, 892909, 1785818, 9821999, 19643998]

約数ペア:

[(1, 19643998), (2, 9821999), (11, 1785818), (22, 892909), (67, 293194), (134, 146597), (737, 26654), (1474, 13327)]