19428752

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4231}}^1$

素因数の和:4287

約数の個数: 40

約数和(自身を含む): 44080512

約数和(自身を除く): 24651760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4231, 4592, 8462, 16924, 29617, 33848, 59234, 67696, 118468, 173471, 236936, 346942, 473872, 693884, 1214297, 1387768, 2428594, 2775536, 4857188, 9714376, 19428752]

約数ペア:

[(1, 19428752), (2, 9714376), (4, 4857188), (7, 2775536), (8, 2428594), (14, 1387768), (16, 1214297), (28, 693884), (41, 473872), (56, 346942), (82, 236936), (112, 173471), (164, 118468), (287, 67696), (328, 59234), (574, 33848), (656, 29617), (1148, 16924), (2296, 8462), (4231, 4592)]