20171897694

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{504121}}^1$

素因数の和:504167

約数の個数: 80

約数和(自身を含む): 51238960080

約数和(自身を除く): 31067062386

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1053, 1482, 1539, 2106, 2223, 3078, 4446, 6669, 13338, 20007, 40014, 504121, 1008242, 1512363, 3024726, 4537089, 6553573, 9074178, 9578299, 13107146, 13611267, 19156598, 19660719, 27222534, 28734897, 39321438, 40833801, 57469794, 58982157, 81667602, 86204691, 117964314, 124517887, 172409382, 176946471, 249035774, 258614073, 353892942, 373553661, 517228146, 530839413, 747107322, 775842219, 1061678826, 1120660983, 1551684438, 2241321966, 3361982949, 6723965898, 10085948847, 20171897694]

約数ペア:

[(1, 20171897694), (2, 10085948847), (3, 6723965898), (6, 3361982949), (9, 2241321966), (13, 1551684438), (18, 1120660983), (19, 1061678826), (26, 775842219), (27, 747107322), (38, 530839413), (39, 517228146), (54, 373553661), (57, 353892942), (78, 258614073), (81, 249035774), (114, 176946471), (117, 172409382), (162, 124517887), (171, 117964314), (234, 86204691), (247, 81667602), (342, 58982157), (351, 57469794), (494, 40833801), (513, 39321438), (702, 28734897), (741, 27222534), (1026, 19660719), (1053, 19156598), (1482, 13611267), (1539, 13107146), (2106, 9578299), (2223, 9074178), (3078, 6553573), (4446, 4537089), (6669, 3024726), (13338, 1512363), (20007, 1008242), (40014, 504121)]