19179909

素因数分解:

$3^4\times 7^1\times {\mathrm{33827}}^1$

素因数の和:33846

約数の個数: 20

約数和(自身を含む): 32745504

約数和(自身を除く): 13565595

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33827, 101481, 236789, 304443, 710367, 913329, 2131101, 2739987, 6393303, 19179909]

約数ペア:

[(1, 19179909), (3, 6393303), (7, 2739987), (9, 2131101), (21, 913329), (27, 710367), (63, 304443), (81, 236789), (189, 101481), (567, 33827)]