19998966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2269}}^1$

素因数の和:2400

約数の個数: 32

約数和(自身を含む): 43475040

約数和(自身を除く): 23476074

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 113, 226, 339, 678, 1469, 2269, 2938, 4407, 4538, 6807, 8814, 13614, 29497, 58994, 88491, 176982, 256397, 512794, 769191, 1538382, 3333161, 6666322, 9999483, 19998966]

約数ペア:

[(1, 19998966), (2, 9999483), (3, 6666322), (6, 3333161), (13, 1538382), (26, 769191), (39, 512794), (78, 256397), (113, 176982), (226, 88491), (339, 58994), (678, 29497), (1469, 13614), (2269, 8814), (2938, 6807), (4407, 4538)]