19181954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13912702

約数列:

[1, 2, 11, 22, 23, 46, 167, 227, 253, 334, 454, 506, 1837, 2497, 3674, 3841, 4994, 5221, 7682, 10442, 37909, 42251, 57431, 75818, 84502, 114862, 416999, 833998, 871907, 1743814, 9590977, 19181954]

約数ペア:

[(1, 19181954), (2, 9590977), (11, 1743814), (22, 871907), (23, 833998), (46, 416999), (167, 114862), (227, 84502), (253, 75818), (334, 57431), (454, 42251), (506, 37909), (1837, 10442), (2497, 7682), (3674, 5221), (3841, 4994)]