19394973

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3527}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 30820608

約数和(自身を除く): 11425635

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3527, 5499, 10581, 31743, 45851, 137553, 165769, 412659, 497307, 1491921, 2154997, 6464991, 19394973]

約数ペア:

[(1, 19394973), (3, 6464991), (9, 2154997), (13, 1491921), (39, 497307), (47, 412659), (117, 165769), (141, 137553), (423, 45851), (611, 31743), (1833, 10581), (3527, 5499)]