19861179

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12421}}^1$

素因数の和:12478

約数の個数: 16

約数和(自身を含む): 29216544

約数和(自身を除く): 9355365

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12421, 37263, 161473, 484419, 509261, 1527783, 6620393, 19861179]

約数ペア:

[(1, 19861179), (3, 6620393), (13, 1527783), (39, 509261), (41, 484419), (123, 161473), (533, 37263), (1599, 12421)]