19001943

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 28169856

約数和(自身を除く): 9167913

約数列:

[1, 3, 9, 71, 131, 213, 227, 393, 639, 681, 1179, 2043, 9301, 16117, 27903, 29737, 48351, 83709, 89211, 145053, 267633, 2111327, 6333981, 19001943]

約数ペア:

[(1, 19001943), (3, 6333981), (9, 2111327), (71, 267633), (131, 145053), (213, 89211), (227, 83709), (393, 48351), (639, 29737), (681, 27903), (1179, 16117), (2043, 9301)]