18512715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13662645

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 683, 695, 1807, 2049, 2085, 3415, 5421, 8879, 9035, 10245, 26637, 27105, 44395, 94937, 133185, 284811, 474685, 1234181, 1424055, 3702543, 6170905, 18512715]

約数ペア:

[(1, 18512715), (3, 6170905), (5, 3702543), (13, 1424055), (15, 1234181), (39, 474685), (65, 284811), (139, 133185), (195, 94937), (417, 44395), (683, 27105), (695, 26637), (1807, 10245), (2049, 9035), (2085, 8879), (3415, 5421)]