19528058893

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{644129}}^1$

素因数の和:644268

約数の個数: 16

約数和(自身を含む): 23003170560

約数和(自身を除く): 3475111667

約数列:

[1, 7, 61, 71, 427, 497, 4331, 30317, 644129, 4508903, 39291869, 45733159, 275043083, 320132113, 2789722699, 19528058893]

約数ペア:

[(1, 19528058893), (7, 2789722699), (61, 320132113), (71, 275043083), (427, 45733159), (497, 39291869), (4331, 4508903), (30317, 644129)]