19998384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 60210432

約数和(自身を除く): 40212048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1113, 1123, 1272, 1484, 2226, 2246, 2544, 2968, 3369, 4452, 4492, 5936, 6738, 7861, 8904, 8984, 13476, 15722, 17808, 17968, 23583, 26952, 31444, 47166, 53904, 59519, 62888, 94332, 119038, 125776, 178557, 188664, 238076, 357114, 377328, 416633, 476152, 714228, 833266, 952304, 1249899, 1428456, 1666532, 2499798, 2856912, 3333064, 4999596, 6666128, 9999192, 19998384]

約数ペア:

[(1, 19998384), (2, 9999192), (3, 6666128), (4, 4999596), (6, 3333064), (7, 2856912), (8, 2499798), (12, 1666532), (14, 1428456), (16, 1249899), (21, 952304), (24, 833266), (28, 714228), (42, 476152), (48, 416633), (53, 377328), (56, 357114), (84, 238076), (106, 188664), (112, 178557), (159, 125776), (168, 119038), (212, 94332), (318, 62888), (336, 59519), (371, 53904), (424, 47166), (636, 31444), (742, 26952), (848, 23583), (1113, 17968), (1123, 17808), (1272, 15722), (1484, 13476), (2226, 8984), (2246, 8904), (2544, 7861), (2968, 6738), (3369, 5936), (4452, 4492)]