18966904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9371}}^1$

素因数の和:9411

約数の個数: 32

約数和(自身を含む): 40487040

約数和(自身を除く): 21520136

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 9371, 18742, 37484, 74968, 103081, 206162, 215533, 412324, 431066, 824648, 862132, 1724264, 2370863, 4741726, 9483452, 18966904]

約数ペア:

[(1, 18966904), (2, 9483452), (4, 4741726), (8, 2370863), (11, 1724264), (22, 862132), (23, 824648), (44, 431066), (46, 412324), (88, 215533), (92, 206162), (184, 103081), (253, 74968), (506, 37484), (1012, 18742), (2024, 9371)]