19744416

素因数分解:

$2^5\times 3^2\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:578

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 36864864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 179, 288, 358, 383, 537, 716, 766, 1074, 1149, 1432, 1532, 1611, 2148, 2298, 2864, 3064, 3222, 3447, 4296, 4596, 5728, 6128, 6444, 6894, 8592, 9192, 12256, 12888, 13788, 17184, 18384, 25776, 27576, 36768, 51552, 55152, 68557, 110304, 137114, 205671, 274228, 411342, 548456, 617013, 822684, 1096912, 1234026, 1645368, 2193824, 2468052, 3290736, 4936104, 6581472, 9872208, 19744416]

約数ペア:

[(1, 19744416), (2, 9872208), (3, 6581472), (4, 4936104), (6, 3290736), (8, 2468052), (9, 2193824), (12, 1645368), (16, 1234026), (18, 1096912), (24, 822684), (32, 617013), (36, 548456), (48, 411342), (72, 274228), (96, 205671), (144, 137114), (179, 110304), (288, 68557), (358, 55152), (383, 51552), (537, 36768), (716, 27576), (766, 25776), (1074, 18384), (1149, 17184), (1432, 13788), (1532, 12888), (1611, 12256), (2148, 9192), (2298, 8592), (2864, 6894), (3064, 6444), (3222, 6128), (3447, 5728), (4296, 4596)]