19144713

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 11046903

約数列:

[1, 3, 7, 21, 53, 103, 159, 167, 309, 371, 501, 721, 1113, 1169, 2163, 3507, 5459, 8851, 16377, 17201, 26553, 38213, 51603, 61957, 114639, 120407, 185871, 361221, 911653, 2734959, 6381571, 19144713]

約数ペア:

[(1, 19144713), (3, 6381571), (7, 2734959), (21, 911653), (53, 361221), (103, 185871), (159, 120407), (167, 114639), (309, 61957), (371, 51603), (501, 38213), (721, 26553), (1113, 17201), (1169, 16377), (2163, 8851), (3507, 5459)]