20180199348

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{521}}^1\times {\mathrm{4091}}^1$

素因数の和:4885

約数の個数: 72

約数和(自身を含む): 51315840576

約数和(自身を除く): 31135641228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 521, 526, 789, 1042, 1052, 1563, 1578, 2084, 2367, 3126, 3156, 4091, 4689, 4734, 6252, 8182, 9378, 9468, 12273, 16364, 18756, 24546, 36819, 49092, 73638, 137023, 147276, 274046, 411069, 548092, 822138, 1075933, 1233207, 1644276, 2131411, 2151866, 2466414, 3227799, 4262822, 4303732, 4932828, 6394233, 6455598, 8525644, 9683397, 12788466, 12911196, 19182699, 19366794, 25576932, 38365398, 38733588, 76730796, 560561093, 1121122186, 1681683279, 2242244372, 3363366558, 5045049837, 6726733116, 10090099674, 20180199348]

約数ペア:

[(1, 20180199348), (2, 10090099674), (3, 6726733116), (4, 5045049837), (6, 3363366558), (9, 2242244372), (12, 1681683279), (18, 1121122186), (36, 560561093), (263, 76730796), (521, 38733588), (526, 38365398), (789, 25576932), (1042, 19366794), (1052, 19182699), (1563, 12911196), (1578, 12788466), (2084, 9683397), (2367, 8525644), (3126, 6455598), (3156, 6394233), (4091, 4932828), (4689, 4303732), (4734, 4262822), (6252, 3227799), (8182, 2466414), (9378, 2151866), (9468, 2131411), (12273, 1644276), (16364, 1233207), (18756, 1075933), (24546, 822138), (36819, 548092), (49092, 411069), (73638, 274046), (137023, 147276)]