18953259

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1583}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 27320832

約数和(自身を除く): 8367573

約数列:

[1, 3, 13, 39, 307, 921, 1583, 3991, 4749, 11973, 20579, 61737, 485981, 1457943, 6317753, 18953259]

約数ペア:

[(1, 18953259), (3, 6317753), (13, 1457943), (39, 485981), (307, 61737), (921, 20579), (1583, 11973), (3991, 4749)]