19863872

素因数分解:

$2^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 56

約数和(自身を含む): 45598080

約数和(自身を除く): 25734208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 202, 224, 404, 439, 448, 707, 808, 878, 1414, 1616, 1756, 2828, 3073, 3232, 3512, 5656, 6146, 6464, 7024, 11312, 12292, 14048, 22624, 24584, 28096, 44339, 45248, 49168, 88678, 98336, 177356, 196672, 310373, 354712, 620746, 709424, 1241492, 1418848, 2482984, 2837696, 4965968, 9931936, 19863872]

約数ペア:

[(1, 19863872), (2, 9931936), (4, 4965968), (7, 2837696), (8, 2482984), (14, 1418848), (16, 1241492), (28, 709424), (32, 620746), (56, 354712), (64, 310373), (101, 196672), (112, 177356), (202, 98336), (224, 88678), (404, 49168), (439, 45248), (448, 44339), (707, 28096), (808, 24584), (878, 22624), (1414, 14048), (1616, 12292), (1756, 11312), (2828, 7024), (3073, 6464), (3232, 6146), (3512, 5656)]