18803898815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{12269}}^1$

素因数の和:12396

約数の個数: 64

約数和(自身を含む): 27457315200

約数和(自身を除く): 8653416385

約数列:

[1, 5, 13, 17, 19, 65, 73, 85, 95, 221, 247, 323, 365, 949, 1105, 1235, 1241, 1387, 1615, 4199, 4745, 6205, 6935, 12269, 16133, 18031, 20995, 23579, 61345, 80665, 90155, 117895, 159497, 208573, 233111, 306527, 797485, 895637, 1042865, 1165555, 1532635, 2711449, 3030443, 3962887, 4478185, 11643281, 13557245, 15152215, 15225829, 17017103, 19814435, 51517531, 58216405, 76129145, 85085515, 197935777, 221222339, 257587655, 289290751, 989678885, 1106111695, 1446453755, 3760779763, 18803898815]

約数ペア:

[(1, 18803898815), (5, 3760779763), (13, 1446453755), (17, 1106111695), (19, 989678885), (65, 289290751), (73, 257587655), (85, 221222339), (95, 197935777), (221, 85085515), (247, 76129145), (323, 58216405), (365, 51517531), (949, 19814435), (1105, 17017103), (1235, 15225829), (1241, 15152215), (1387, 13557245), (1615, 11643281), (4199, 4478185), (4745, 3962887), (6205, 3030443), (6935, 2711449), (12269, 1532635), (16133, 1165555), (18031, 1042865), (20995, 895637), (23579, 797485), (61345, 306527), (80665, 233111), (90155, 208573), (117895, 159497)]