19162521

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13911399

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 1913, 3339, 5739, 10017, 13391, 17217, 40173, 51651, 101389, 120519, 304167, 361557, 709723, 912501, 2129169, 2737503, 6387507, 19162521]

約数ペア:

[(1, 19162521), (3, 6387507), (7, 2737503), (9, 2129169), (21, 912501), (27, 709723), (53, 361557), (63, 304167), (159, 120519), (189, 101389), (371, 51651), (477, 40173), (1113, 17217), (1431, 13391), (1913, 10017), (3339, 5739)]