18964148

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5333}}^1$

素因数の和:5471

約数の個数: 24

約数和(自身を含む): 38234112

約数和(自身を除く): 19269964

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5333, 10666, 21332, 37331, 74662, 149324, 677291, 1354582, 2709164, 4741037, 9482074, 18964148]

約数ペア:

[(1, 18964148), (2, 9482074), (4, 4741037), (7, 2709164), (14, 1354582), (28, 677291), (127, 149324), (254, 74662), (508, 37331), (889, 21332), (1778, 10666), (3556, 5333)]