18667728

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{6823}}^1$

素因数の和:6856

約数の個数: 60

約数和(自身を含む): 55001440

約数和(自身を除く): 36333712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 6823, 13646, 20469, 27292, 40938, 54584, 61407, 81876, 109168, 122814, 129637, 163752, 245628, 259274, 327504, 388911, 491256, 518548, 777822, 982512, 1037096, 1166733, 1555644, 2074192, 2333466, 3111288, 4666932, 6222576, 9333864, 18667728]

約数ペア:

[(1, 18667728), (2, 9333864), (3, 6222576), (4, 4666932), (6, 3111288), (8, 2333466), (9, 2074192), (12, 1555644), (16, 1166733), (18, 1037096), (19, 982512), (24, 777822), (36, 518548), (38, 491256), (48, 388911), (57, 327504), (72, 259274), (76, 245628), (114, 163752), (144, 129637), (152, 122814), (171, 109168), (228, 81876), (304, 61407), (342, 54584), (456, 40938), (684, 27292), (912, 20469), (1368, 13646), (2736, 6823)]