19806912

素因数分解:

$2^6\times 3^2\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 84

約数和(自身を含む): 57415176

約数和(自身を除く): 37608264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 137, 144, 192, 251, 274, 288, 411, 502, 548, 576, 753, 822, 1004, 1096, 1233, 1506, 1644, 2008, 2192, 2259, 2466, 3012, 3288, 4016, 4384, 4518, 4932, 6024, 6576, 8032, 8768, 9036, 9864, 12048, 13152, 16064, 18072, 19728, 24096, 26304, 34387, 36144, 39456, 48192, 68774, 72288, 78912, 103161, 137548, 144576, 206322, 275096, 309483, 412644, 550192, 618966, 825288, 1100384, 1237932, 1650576, 2200768, 2475864, 3301152, 4951728, 6602304, 9903456, 19806912]

約数ペア:

[(1, 19806912), (2, 9903456), (3, 6602304), (4, 4951728), (6, 3301152), (8, 2475864), (9, 2200768), (12, 1650576), (16, 1237932), (18, 1100384), (24, 825288), (32, 618966), (36, 550192), (48, 412644), (64, 309483), (72, 275096), (96, 206322), (137, 144576), (144, 137548), (192, 103161), (251, 78912), (274, 72288), (288, 68774), (411, 48192), (502, 39456), (548, 36144), (576, 34387), (753, 26304), (822, 24096), (1004, 19728), (1096, 18072), (1233, 16064), (1506, 13152), (1644, 12048), (2008, 9864), (2192, 9036), (2259, 8768), (2466, 8032), (3012, 6576), (3288, 6024), (4016, 4932), (4384, 4518)]