19812315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57427}}^1$

素因数の和:57458

約数の個数: 16

約数和(自身を含む): 33078528

約数和(自身を除く): 13266213

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 57427, 172281, 287135, 861405, 1320821, 3962463, 6604105, 19812315]

約数ペア:

[(1, 19812315), (3, 6604105), (5, 3962463), (15, 1320821), (23, 861405), (69, 287135), (115, 172281), (345, 57427)]