19507910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 37091520

約数和(自身を除く): 17583610

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 953, 1906, 2047, 4094, 4765, 9530, 10235, 20470, 21919, 43838, 84817, 109595, 169634, 219190, 424085, 848170, 1950791, 3901582, 9753955, 19507910]

約数ペア:

[(1, 19507910), (2, 9753955), (5, 3901582), (10, 1950791), (23, 848170), (46, 424085), (89, 219190), (115, 169634), (178, 109595), (230, 84817), (445, 43838), (890, 21919), (953, 20470), (1906, 10235), (2047, 9530), (4094, 4765)]