18518130189

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{4003}}^1$

素因数の和:6122

約数の個数: 48

約数和(自身を含む): 30344233920

約数和(自身を除く): 11826103731

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2081, 2223, 4003, 6243, 12009, 18729, 27053, 36027, 39539, 52039, 76057, 81159, 118617, 156117, 228171, 243477, 355851, 468351, 514007, 684513, 988741, 1542021, 2966223, 4626063, 8330243, 8898669, 24990729, 74972187, 108293159, 158274617, 324879477, 474823851, 974638431, 1424471553, 2057570021, 6172710063, 18518130189]

約数ペア:

[(1, 18518130189), (3, 6172710063), (9, 2057570021), (13, 1424471553), (19, 974638431), (39, 474823851), (57, 324879477), (117, 158274617), (171, 108293159), (247, 74972187), (741, 24990729), (2081, 8898669), (2223, 8330243), (4003, 4626063), (6243, 2966223), (12009, 1542021), (18729, 988741), (27053, 684513), (36027, 514007), (39539, 468351), (52039, 355851), (76057, 243477), (81159, 228171), (118617, 156117)]