19959747

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6607}}^1$

素因数の和:6682

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 8586813

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6607, 19821, 125533, 350171, 376599, 1050513, 6653249, 19959747]

約数ペア:

[(1, 19959747), (3, 6653249), (19, 1050513), (53, 376599), (57, 350171), (159, 125533), (1007, 19821), (3021, 6607)]