18781732

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 33640992

約数和(自身を除く): 14859260

約数列:

[1, 2, 4, 73, 131, 146, 262, 292, 491, 524, 982, 1964, 9563, 19126, 35843, 38252, 64321, 71686, 128642, 143372, 257284, 4695433, 9390866, 18781732]

約数ペア:

[(1, 18781732), (2, 9390866), (4, 4695433), (73, 257284), (131, 143372), (146, 128642), (262, 71686), (292, 64321), (491, 38252), (524, 35843), (982, 19126), (1964, 9563)]