19964286

素因数分解:

$2^1\times 3^3\times {\mathrm{369709}}^1$

素因数の和:369720

約数の個数: 16

約数和(自身を含む): 44365200

約数和(自身を除く): 24400914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 369709, 739418, 1109127, 2218254, 3327381, 6654762, 9982143, 19964286]

約数ペア:

[(1, 19964286), (2, 9982143), (3, 6654762), (6, 3327381), (9, 2218254), (18, 1109127), (27, 739418), (54, 369709)]