2019249405

素因数分解:

$3^4\times 5^1\times {\mathrm{4985801}}^1$

素因数の和:4985818

約数の個数: 20

約数和(自身を含む): 3619692252

約数和(自身を除く): 1600442847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4985801, 14957403, 24929005, 44872209, 74787015, 134616627, 224361045, 403849881, 673083135, 2019249405]

約数ペア:

[(1, 2019249405), (3, 673083135), (5, 403849881), (9, 224361045), (15, 134616627), (27, 74787015), (45, 44872209), (81, 24929005), (135, 14957403), (405, 4985801)]