18618327

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 14927913

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 179, 273, 381, 537, 819, 889, 1143, 1253, 1611, 1651, 2327, 2667, 3759, 4953, 6981, 8001, 11277, 11557, 14859, 16289, 20943, 22733, 34671, 48867, 68199, 104013, 146601, 159131, 204597, 295529, 477393, 886587, 1432179, 2068703, 2659761, 6206109, 18618327]

約数ペア:

[(1, 18618327), (3, 6206109), (7, 2659761), (9, 2068703), (13, 1432179), (21, 886587), (39, 477393), (63, 295529), (91, 204597), (117, 159131), (127, 146601), (179, 104013), (273, 68199), (381, 48867), (537, 34671), (819, 22733), (889, 20943), (1143, 16289), (1253, 14859), (1611, 11557), (1651, 11277), (2327, 8001), (2667, 6981), (3759, 4953)]