18139017

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 27941760

約数和(自身を除く): 9802743

約数列:

[1, 3, 13, 17, 39, 51, 109, 221, 251, 327, 663, 753, 1417, 1853, 3263, 4251, 4267, 5559, 9789, 12801, 24089, 27359, 55471, 72267, 82077, 166413, 355667, 465103, 1067001, 1395309, 6046339, 18139017]

約数ペア:

[(1, 18139017), (3, 6046339), (13, 1395309), (17, 1067001), (39, 465103), (51, 355667), (109, 166413), (221, 82077), (251, 72267), (327, 55471), (663, 27359), (753, 24089), (1417, 12801), (1853, 9789), (3263, 5559), (4251, 4267)]