19970552

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1571}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 43009920

約数和(自身を除く): 23039368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 454, 908, 1571, 1589, 1816, 3142, 3178, 6284, 6356, 10997, 12568, 12712, 21994, 43988, 87976, 356617, 713234, 1426468, 2496319, 2852936, 4992638, 9985276, 19970552]

約数ペア:

[(1, 19970552), (2, 9985276), (4, 4992638), (7, 2852936), (8, 2496319), (14, 1426468), (28, 713234), (56, 356617), (227, 87976), (454, 43988), (908, 21994), (1571, 12712), (1589, 12568), (1816, 10997), (3142, 6356), (3178, 6284)]