18967996827

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{4643}}^1$

素因数の和:4881

約数の個数: 64

約数和(自身を含む): 30833187840

約数和(自身を除く): 11865191013

約数列:

[1, 3, 9, 13, 27, 39, 103, 113, 117, 309, 339, 351, 927, 1017, 1339, 1469, 2781, 3051, 4017, 4407, 4643, 11639, 12051, 13221, 13929, 34917, 36153, 39663, 41787, 60359, 104751, 125361, 151307, 181077, 314253, 453921, 478229, 524659, 543231, 1361763, 1434687, 1573977, 1629693, 4085289, 4304061, 4721931, 6216977, 6820567, 12912183, 14165793, 18650931, 20461701, 54039877, 55952793, 61385103, 162119631, 167858379, 184155309, 486358893, 702518401, 1459076679, 2107555203, 6322665609, 18967996827]

約数ペア:

[(1, 18967996827), (3, 6322665609), (9, 2107555203), (13, 1459076679), (27, 702518401), (39, 486358893), (103, 184155309), (113, 167858379), (117, 162119631), (309, 61385103), (339, 55952793), (351, 54039877), (927, 20461701), (1017, 18650931), (1339, 14165793), (1469, 12912183), (2781, 6820567), (3051, 6216977), (4017, 4721931), (4407, 4304061), (4643, 4085289), (11639, 1629693), (12051, 1573977), (13221, 1434687), (13929, 1361763), (34917, 543231), (36153, 524659), (39663, 478229), (41787, 453921), (60359, 314253), (104751, 181077), (125361, 151307)]