19903278

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 40997376

約数和(自身を除く): 21094098

約数列:

[1, 2, 3, 6, 47, 94, 141, 163, 282, 326, 433, 489, 866, 978, 1299, 2598, 7661, 15322, 20351, 22983, 40702, 45966, 61053, 70579, 122106, 141158, 211737, 423474, 3317213, 6634426, 9951639, 19903278]

約数ペア:

[(1, 19903278), (2, 9951639), (3, 6634426), (6, 3317213), (47, 423474), (94, 211737), (141, 141158), (163, 122106), (282, 70579), (326, 61053), (433, 45966), (489, 40702), (866, 22983), (978, 20351), (1299, 15322), (2598, 7661)]